Erectyle Dysfunction :: essays research papers fc

Will we ever be able to produce something capable of making us reach the optimum of one of humankind's most basic needs? Will there always be a side effect?Since the beginnings of civilization, people have been obsessed about their sexuality. Men and women have always tried to achieve a maximum amount of pleasure in any possible way. For human beings this is obtained through the orgasm. Humans usually attain this is goal through sexual intercourse or masturbation. However, sometimes the psychological and physical conditions of a person can deprive him or her from reaching that goal. Thankfully, science and anatomy have also always interested mankind. This has helped to find solutions for problems dealing with our sexuality, which, as a matter of fact are very common. The most recurrent and drastic of all these dilemmas is that of impotence.The term "impotence" has traditionally been used to signify the inability of the male to attain and maintain erection of the penis sufficient to permit satisfactory sexual intercourse. However, this use has often led to confusing and uninterpretable results in both clinical and basic science investigations. This, together with its pejorative implications, suggests that the more precise term "erectile dysfunction" be used instead to signify an inability of the male to achieve an erect penis as part of the overall multifaceted process of male sexual function. Erectile dysfunction affects millions of men. Although for some men erectile function may not be the best or most important measure of sexual satisfaction, for many men erectile dysfunction creates mental stress that affects their interactions with family and associates. All these things might be very interesting, but to fully understand erectile dysfunction we must first take a look into the physiology of the male erection.In its most common form, the male erectile response is initiated by a central nervous system event that integrates psychogenic stimuli (perception, desire, etc.) and controls the sympathetic and parasympathetic innervation of the penis. Parasympathetic input allows an erection by relaxation of trabecular smooth muscle and dilation of the helicine arteries of the penis. This fills the spongy tissue that forms the penis with blood; a process referred to as the corporal veno occlusive mechanism. The erectile tissues must have sufficient stiffness to compress the blood vessels penetrating it so that venous outflow is blocked and sufficient tumescence and rigidity can occur. Constriction of the trabecular smooth muscle and helicine arteries induced by sympathetic innervation makes the penis flaccid, with blood pressure in the cavernosal sinuses of the penis near venous pressure.

The Second World War (WWII) :: World War 2 II Two

World War 2 Introduction World War 2 was one of the many wars that occurred during the 20th century. During this brutal war many countries, people, and history were changed. The factors that encourged the Germans and Japanese forces allowed them to take over other countries and kill many of people. Now, years later, from a different point of view, the Germans and Japanese accomplished nothing but just killing innocent people. The greediness behind the Germans and Japanese in the 20th century would change everybodys lives forever. How Did This War Start The Germans had a powerful army in the 1930's. They had a very powerful leader named Adolf Hitler. He was a greedy man who wanted everyone blonde hair, and blue eyes. He wanted everyone the same and to be the only leader in the world. Hitler started his conquest for land in 1938 when he annexed Austria. He followed this by threatening Czechoslovakia. When Hitler increased his demands on the Czechs, war seemed almost certain. The British and French had meetings with Hitler and Mussoluni but they could not stop them from putting demands on other country's. Soon after the meetings Hitler captured Czechoslovakia and seized a former German port. He moved on by putting demands on Poland and the Polish Corridor. In September 1939 France and Britain agreed to support Poland and they soon declared war with Germany. How Did The US Get IntoThe War First of all Japan has no natural resources in their country. So being that they replied on their oil products from the US. In July 27 1941, President Roosevelt stopped all trading with the Japanese. That meaning now that Japan has no fuel to run their military forces. Japan forces then went and attacked the East Indies and took over all of their fuel. Shell was the company that owned most of the fuel products in the East Indies. Shell's head office was in England which led European forces to be in the war against Japan and Germany. When the US stopped trading with Japan they took this as a hostile act but, Japan still tried to make peace with them. A Japan ambassador even asked for a peace discussion with the secretary of state. The meeting did not go threw with the 2 nations. Japan then attacked Atu (an island off of Alaska) in hopes to draw the American forces up North. Japan was wrong , but soon after this they planned out a sneak attack on Pearl Harbour (a military base for the Americans in Hawaii). The Americans had a small idea that the Japanese might attack them. On the Morning of December 7, 1941 a flight of planes were detected, but the people in Pearl Harbour were told that they were US fighter planes coming in

Hong Kongindia Command and Market Economies :: essays papers

Hong Kongindia Command and Market Economies The world is run with economic systems. Two of these economic systems are the market economy and the command economy. These economic systems both greatly differ and are similar in there ways of controling the factors of production, ownership, and their incentives for efficient production. An area of the world that has a command economy is India. The government controls and makes decisions with the factors of production. The factors of production are the resources used to produce goods and services, such as lonad, labor and capital. Within these socialist areas, there is no presence of motivation, a very important factor in an economy. This is because no matter what they do for their economy, everyboyd will recieve the same pay. For example, a doctor would get paid the same amount as a dishwasher.This creates unmotivation because there is nowhere to progress to. People don’t want to work hard for the same pay as someone who doesn’t. Also, since the government controls the factors of production, and not the individual consumers themselves, it is impossible for the few in power to know the many needs, and conditions of resource availability, within the whole economy. Therefore, many things of importance are not recognized, or over looked and the economy and people suffer from the loss. It is present in these areas of socialism that many of the people suffer from poverty because of this economic system. Hong Kong used to be a command economy. Hong Kong was very poor. This poor area quickly changed over the years into a very prosporous place. This is due to it’s change to the market economy. Hong Kong is also the freest of economies. The United states of america also has a market economy. In a market economy, or free enterprise economy, the individuals own the factors of productin, and make the decisions with them. This is unlike the command econly becaues their government controls the factors of production. The market economy is more effiecent because the individuals decide for themselves how to answer economic questions, looking out for their own personal best interest. This creates motivation, in which the command economy lacks. Entreprenurs also play a large roll in the economy. In Hong Kong, it is extremely easy to start your own business.

Role of Education

Undoubtedly, education plays a significant role in every aspect of people's lives. In other words, all through history, education and psychology have powerful methods for learning pieces of information. Also, these two efficient ways are vital for those who are eager to improve their behavior and knowledge. As a matter of fact, learning has been defined in several methods by a number of different theories. Theories of learning can help instructors to decide and select the suitable ways for their educational structure. Many scholars have commented on how behaviorism, cognitivism, and constructivism have influenced the research in the field of educational technology. Behaviorism is a psychological approach which describes all behavior in terms of learning. This theory focuses on behavior. In addition, in this approach, cognition like thoughts is totally ignored. Also, it is a theory of animal and human learning that only focuses on objectively observable behaviors and discounts mental activities. Without a doubt, this approach has a numerous ascendency, such as providing a number of practical applications and techniques to shape conduct. As far as I concerned, giving a prize to those whose behavior is appropriate is the best deed, and also it can cause others especially children to shape and enhance not only their behavior, but also their activities. However, besides all these positive features, it has some disadvantages, but two of which are more significant. For instance, based on this theory, learning can be defined as â€Å"the relatively permanent change in behavior brought about as a result of experience or practice.† Obviously, this approach has had a long lasting impact on language teaching, but it has some negative points. To illustrate, people can change their conduct when they are either exposure to new environment or get new information, even if they have previously established a different behavior through reinforcement. In addition, behaviorists claim, â€Å"Human has passive learners.†, but, psychologists are appose to this assertion. They believe human are active agnates, and they are able to think and determine. In my opinion, this theory is really useful and practical in elementary schools, because children in this grade cannot distinguish between right and wrong, so they need a person who monitor them. In other words, they need a leadership. On the other hand, behaviorism is not essential for higher grades, because these kind of people are active, and they already have learned and known what the best method is. Cognitivism, like behaviorism, emphasizes the role that environmental conditions play in facilitating learning. Cognitive psychologies tend to think of the brain as an active participating component in the learning process. . This theory focused on the inner mental activities of human beings to understand how people learn. In fact, behaviorists saw humans as programmed animals, but cognitivists viewed them as rational beings. The best feature in this theory is that cognitivism assists people who really wants to shape their behavior and tries to develop their conduct for the better. Due to the fact that, this approach focuses on brain's function, it is really beneficial and helpful. On the other hand, cognitive approach denies other factor which influences behavior, such as, genes and individual experiences. Owning to assuming all human conduct are equal, it is the biggest weakness that this theory has. I think that, this theory can be more practical than behaviorism. Due to the fact that, it is able to combine to other approaches can be effective and helpful method in all schools especially Iranian students. Also, because it does not focuses on just one thing and analyze human in other perspective, Iranian student are more successful when educational system applies this approach in schools. Therefore, according to all things that it was mentioned-above, cognitivism has abundant positive results in Iranian educational system. Constructivism considers the learning to be an active. Even though constructivism is considered to be a branch of cognitivism (both conceive of learning as a mental activity), it distinguishes itself from traditional cognitive theories in a number of ways. One of the superb factors in this approach can be pointed out is that students are active, and all of them participate in every activities, such as discussion and practicing. It is believed that group working is one the best effective ways to progress in every field. Also, this action is tough provoking, and it is kind of a challenge for students to try hard to achieve their goals. However, this way is only suitable for those who are genius, and they can analyze their problems individually. In other words, it can be practical for people who can deal with every problem without any assistance, so they are really successful with this approach. Furthermore, this method is not handy for students or other people whose knowledge are lees, and they are not in favor of group activities. Hence, they might fail at their courses or they may just imitate what others do, so they do not learn anything. In this case, constructivism has negative results. Consequently, constructive approach depends on people's characteristic. In my point of view, this approach is the best theory in contrast with other theories. Although it has some negative points, advantages outweigh disadvantages. However, constructivist approach is not appropriate for Iranian educational system. Unfortunately, Iranian are intrapersonal, and they prefer to do their activities individually. On the other hand, Iranian student are in favor of teacher-centered. Owning to focusing student-center in this way, our society disagrees with it. In addition, due to lack of capacity of some of Iranian student, this theory is not successful in our education. In short, it is not deniable that these three approaches are beneficial and try to help students improve their education and behavior. Obviously, each of these theories works for each student, and they have different ways and attitudes to how these theories accelerate learning. As it was above mentioned, all these three schools of thought has their own strengths and weaknesses, but I think constructivism is like a new invention in education. As far as I concerned, if I were a teacher, I would definitely choose the constructivism theory because it is crucial that students be more active in their lesson and become independent. Also, this way causes increase students' motivation to study well.

Application of Biotechnology 1

Biotechnology is a field of applied biology that involves the use of living organisms and bioprocesses in engineering, technology, medicine and other fields requiring bioproducts. The concept encompasses a wide range of procedures for modifying living organisms according to human purposes. For thousands of years, humans have used selective breeding to improve production of crops and livestock to use them for food. In selective breeding, organisms with desirable characteristics are mated to produce offspring with the same characteristics. For example, this technique was used with corn to produce the largest and sweetest crops. In the early twentieth century scientists gained a greater understanding of microbiology and explored ways of manufacturing specific products. Biotechnology has also led to the development of antibiotics. In 1928, Alexander Fleming discovered the mold Penicillium. It is use to treat bacterial infections in humans. The first use of biotechnology was used in fermentation. Throughout the use of agriculture, farmers have inadvertently altered the genetics of their crops through introducing them to new environments and breeding them with other plants one of the first forms of biotechnology. Applications Biotechnology has applications in four major industrial areas, including health care (medical), crop production and agriculture, non food (industrial) uses of crops and other products (e. g. biodegradable plastics, vegetable oil, biofuels), and environmental uses. Biotechnology is also used to recycle, treat waste, clean up sites contaminated by industrial activities (bioremediation), and also to produce biological weapons. 1. Medicine a. Genetic testing: Genetic testing involves the direct examination of the DNA molecule itself. A scientist scans a patient's DNA sample for mutated sequences. The tests can detect mutations associated with rare genetic disorders like cystic fibrosis, sickle cell anemia, and Huntington's disease. Gene tests may not detect every mutation associated with a particular condition because many are as yet undiscovered Gene testing is used for: 1. Determining sex; 2. Forensic/identity testing; 3. Newborn screening; 4. Prenatal diagnostic screening. b. Human Genome Project: The Human Genome Project is an initiative of the U. S. Department of Energy. It has helped us to determine the exact chemical sequence that constitutes the DNA in every cell of a human body. It has the following advantages: 1. Doctors could drip droplets of our genes into a biochip to figure out if we have cancer that could kill or a disease that would respond to a particular drug. 2. Scientists could analyse selective genes from parents and could design babies before conception. c. Cloning: Cloning in biology is the process of producing similar populations of genetically identical individuals that occurs in nature when organisms such as bacteria, insects or plants reproduce asexually. It involves the removal of the nucleus from one cell and its placement in an unfertilized egg cell whose nucleus has either been deactivated or removed. There are two types of cloning: 1. Reproductive cloning. After a few divisions, the egg cell is placed into a uterus where it is allowed to develop into a fetus that is genetically identical to the donor of the original nucleus. 2. Therapeutic cloning. The egg is placed into a Petri dish where it develops into embryonic stem cells, which have shown potentials for treating several ailments. 2. Agriculture a. Crop yield: Using the techniques of modern biotechnology, one or two genes may be transferred to a highly developed crop variety to impart a new character that would increase its yield. However, while increases in crop yield are the most obvious applications of modern biotechnology in agriculture, it is also the most difficult one. Current genetic engineering techniques work best for effects that are controlled by a single gene. Many of the genetic characteristics associated with yield (e. g. , enhanced growth) are controlled by a large number of genes, each of which has a minimal effect on the overall yield. There is, therefore, much scientific work to be done in this area. b. Reduced vulnerability of crops to environmental stresses: Crops containing genes that will enable them to withstand biotic and abiotic stresses may be developed. For example, drought and excessively salty soil are two important limiting factors in crop productivity. Researchers have also created transgenic rice plants that are resistant to rice yellow mottle virus (RYMV). In Africa, this virus destroys majority of the rice crops and makes the surviving plants more susceptible to fungal infections. . Reduced dependence on fertilizers, pesticides and other agrochemicals: Most of the current commercial applications of modern biotechnology in agriculture are on reducing the dependence of farmers on agrochemicals. For example, Bacillus thuringiensis (Bt) is a soil bacterium that produces a protein with insecticidal qualities. Crops have also been genetically engineered to acquire tolerance to broad-spectrum herbicide. M ultiple applications of numerous herbicides were routinely used to control a wide range of weed species detrimental to agronomic crops. 3. Bioremediation and biodegradation Biotechnology is being used to engineer and adapt organisms especially microorganisms in an effort to find sustainable ways to clean up contaminated environments. The elimination of a wide range of pollutants and wastes from the environment is an absolute requirement to promote a sustainable development of our society with low environmental impact. Biological processes play a major role in the removal of contaminants and biotechnology is taking advantage of the astonishing catabolic versatility of microorganisms to degrade/convert such compounds. Marine environments are especially vulnerable since oil spills of coastal regions and the open sea are poorly containable and mitigation is difficult. In addition to pollution through human activities, millions of tons of petroleum enter the marine environment every year from natural seepages. Despite its toxicity, a considerable fraction of petroleum oil entering marine systems is eliminated by the hydrocarbon-degrading activities of microbial communities.

Ray Bradbury Comparative Paper Essay

Ray Bradbury, well-known American author, playwright, and poet, created his success on no more than his high school diploma. He did, however, learn many valuable lessons in life which he incorporates in his works. Ray Bradbury uses figurative language such as irony, personification, and imagery to artistically present his vision of life’s morals. Bradbury’s use of irony in his pieces establishes how mankind commonly contradicts himself. In â€Å"The Veldt†, George and Lydia hear screams that â€Å"sound familiar† but ignore them. The couple also finds their wallet and scarf and disregards how these items were chewed and covered in blood when they found them. George and Lydia receive their last clue when they enter the nursery and see the lions in the background feasting on an unknown prey. â€Å"They’ve just been eating†¦ [but they] don’t know what. † Ray Bradbury turns these foreshadowing events into irony when the parents are killed by the lions. It is ironic that they have seen the lions devouring something, saw the wallet and scarf, and heard the screams but do not realize that they were the lion’s meal and it was their screams that they heard and the scarf and wallet were chewed by the lions and covered in their own blood. Bradbury also uses irony in the â€Å"Happiness Machine. † Leo Auffmann created a machine which he claimed brought happiness to the occupant. He convinced his wife to â€Å"try it on† but when she got out she shouted, â€Å"It lies, that Sadness Machine. † This is ironic because what Leo thought was a Happiness Machine is really a Sadness Machine. Leo then finds that true happiness cannot be created by a machine but is found in the heart of his family. In â€Å"There Will Come Soft Rains†, the house reads a poem to the emptiness where a family once was. The poem explains how nature â€Å"would not mind†¦if mankind perished utterly. † It is ironic because the poem is warning the family how the war will destroy them but nature will continue on when that is exactly what has happened. The family has been killed and the house soon after dies but the sun continues to rise and set as if nothing has happened. Personification is another common literary device in Bradbury’s work. It is most prominent in â€Å"There Will Come Soft Rains. † Bradbury describes the house with human like qualities in how it defends itself against the fire which is also personified. The house â€Å"quivered at each sound† and is described as the attic being the brain and the exposed oak beams as â€Å"its bare skeleton† and all of â€Å"its nerves revealed. † The fire was personified when it â€Å"fed upon Picassos and Matisses†¦ [and] lay in beds, stood in windows. † Bradbury also described the fire as being â€Å"clever† as it attacked â€Å"the attic brain† and â€Å"rushed back into every closet and felt of the clothes hung there. † Bradbury also uses personification in â€Å"The Foghorn. † He gives the foghorn human-like characteristics when relating it to the monster. The foghorn made a â€Å"great deep cry† that vibrated in the â€Å"throat of the tower† as the â€Å"light, switching its tail,† shone bright in the distance. Bradbury continues to use personification in â€Å"The Veldt. † The nursery that Wendy and Peter spend most of their time in is described with human-like qualities. The walls changed from blankness to the veldt with a â€Å"purr† and â€Å"reproduced to the final pebble and bit of straw. † It is further personified when the room itself kills the parents. Bradbury also frequently uses imagery in his work. In â€Å"The Pedestrian†, he described the highways as â€Å"only dry riverbeds† empty of vehicles. Bradbury also points out the â€Å"tomblike buildings† and â€Å"gray phantoms† along the sides of the road. These vivid descriptions allow the reader to feel the loneliness and absence of life in the city and its streets. The imagery in â€Å"The Pedestrian† sets the mood and describes the setting. â€Å"The Foghorn† portrays another source of imagery. Bradbury makes the reader visualize the â€Å"long grey lawn of the sea stretching away into nothing and nowhere† with his descriptive vocabulary. He describes how the â€Å"stone tower† emitted a light that flashed red and white out to the â€Å"lonely ships† â€Å"in the cold water far from land. † This makes the reader understand how secluded McDunn and Johnny were out at the lighthouse and intensifies the oddness of the appearance of the sea monster. Imagery is also present when McDunn explains to Johnny how the monster â€Å"hid away in the Deeps. † The way he describes the â€Å"Deeps† makes it all seem magical yet realistic. Bradbury continues to use imagery in â€Å"The Happiness Machine. † Towards the end of the short story, Leo discovers a real happiness machine. When he describes this â€Å"machine,† he makes the reader visualize a pleasant and warm home filled with joy. This example of imagery contrasts how Bradbury typically uses his words to display desolation and despair. Ray Bradbury expresses similar patterns in his work by using irony, personification, and imagery. He writes with these three types of figurative language in different ways in all of his pieces of work. Bradbury takes common techniques of writing and makes them his own by using them in a certain way to present his ideas in a unique style.

How Music Defines You Essay

â€Å"I think music in itself is healing. It’s an explosive expression of humanity. It’s something we are all touched by. No matter what culture we’re from, everyone loves music. † This famous quote said by Billy Joel does a good job describing the way music can affect people. Different songs can impact people, change their moods, or bring back memories related to a certain tune. Each person, however, has their own unique taste in music; one song can be loved by one but hated by another, it all depends on our personal taste and what we can relate to. This made me wonder, what does the music I listen to say about myself? Do the lyrics define who I am as a person, or do I simply like songs because of the beat? As I looked at my top ten playlist, I saw that some of my favorite songs do describe me to a certain point. The first song I examined in my playlist was â€Å"Kids† by MGMT. I have always loved the beat of the song, but the lyrics of it never made sense to me. The words are like a collage of random thoughts strung together with what seems like no relation. However, as I looked deeper into the lyrics, I started to realize the meaning of the words. This song is filled with many emotions of a typical college student. Feelings of happiness, sadness, naivety, and nostalgia are present throughout the entire song. Upon further digging, I discovered that this was the first song the artists, Goldwasser and VanWyngaeden, wrote on arriving at college. They were nineteen, in a fantasy college world, and had a happy-go-lucky attitude. At the same time, however, they were longing for childhood; they had a fear of growing up and losing innocence. â€Å"Kids† is a great example of the way many college students feel. For me, I do not fear growing up, but I often find myself missing the past. Childhood was bliss and easy. As I grow up, I long for the days when I was younger, when work, homework, school, and the stress of everyday life did not matter. When you are young, you have no responsibilities to deal with, and although I live a happy balanced life, I often find myself wishing I was a kid again. The second song I analyzed was â€Å"Paradise† by Coldplay. Similarly to â€Å"Kids†, the song â€Å"Paradise† starts with the idea of childhood. â€Å"When she was just a girl she expected the world. But it flew away from her reach so she ran away in her sleep and dreamed of paradise† is the opening verse for this tune. It talks of a young girl with big dreams expecting the world. As the girl in the song grows up she finds that life is not as simple as she believed. â€Å"Life goes on, it gets so heavy. The wheel breaks the butterfly. Every tear a waterfall. In the night the stormy night she’ll close her eyes. † Those lyrics are a good example of how life has some downs, tears, and storms, but it talks of how the girl stays positive when the song says, â€Å"She’d say, ‘I know the sun must set to rise. ’† I think this song is a good reflection of me. I have big dreams for myself, but as life goes on I go through some bumps in the road. I have encountered many of my own stormy nights, but I know the sun will rise to a clearer and brighter day in time. I have learned not to expect things to be handed to me, but to chase after my dreams, and my own perfect paradise to a path of success. My final and favorite song I looked at was the song â€Å"Pursuit of Happiness† by Kid Cudi. Kid Cudi is my favorite artist, so it makes sense that my favorite song is one of his most popular. However, when I tell people my favorite artist is Kid Cudi, they give me weird looks because most of his songs do not describe me. The song â€Å"Pursuit of Happiness† is actually fairly dark and depressing. It talks of a person being empty and doing things such as drugs, smoking, and getting drunk. The character in the song finds these things as his only escape from reality. I personally think the song is brilliant. When I uncover the deeper meanings of the song, Kid Cudi is someone who I can relate to. The person in his song has been through some real tough times. I see his journey of trying to escape the pain of the real world by getting involved in all these things that give temporary bliss, but at the end of the song it is obvious that partying, drugs, and alcohol will not give you true happiness. My three favorite songs â€Å"Kids†, â€Å"Paradise†, and â€Å"Pursuit of Happiness† ended up describing some aspects of my life. I found that I could relate to all three songs which could be the reason why they are important to me. However, I am unconvinced that every song I like defines the type of person I am. I love music and it was hard for me to narrow down my top three songs. If I were to go on and look at every song I love, I am positive more than half would not be a reflection of who I am. My ultimate songs may describe some aspects of me, but I am confident that they do not define who I am.