The Effect Exercise On Heart R essays

The Effect Exercise On Heart R essays Aim: To investigate how exercise affects heart rate. Introduction: The heart is rate is how many times the heartbeats in a certain period, normally a minute; this gives the unit bpm (beats per minute). During rest, the heart beats about 70 times a minute in the adult male, while pumping about 5 litres of blood. The heart rate is affected by many things these included; Heat Rate The body senses the need for an increased pulse rate through two main mechanisms. The first is a series of baroreceptors (these are specialized cells that can sense the pressure of the blood). These cells are in the carotid sinus. The carotid arteries are the major blood vessels that feed your brain; there is one artery on each side of your head. The baroreceptors in the carotid sinus can tell when the blood pressure is low (thus, not enough blood is making it to the brain). They then send signals over nerves to the heart, telling it to speed up and contract more forcefully. This raises blood pressure. Since the brain is the most important organ, it makes sense that these baroreceptors are in the blood vessels feeding the brain. The second major way is by our brains sensing danger or excitement and telling the heart to speed up. This is called the fight or flight response. If we see some danger (like a saber-toothed tiger) approaching us, our brains get excited and tell the heart to speed up so we will have enough blood flow to allow us to run away. In addition to the nerves that transmit signals from the brain to the heart, some nerves go to the adrenal glands and tell them to secrete adrenaline, a hormone that makes the heart go faster. This way, if there is a problem with the nerves from the brain to the heart, the message to the heart can still get there by way of the adrenal glands (which are located right next to your kidneys). The adrenal glands stimulate the heart by making adrenaline. I predict the harder the subject exercises, th...

Opinion Coulums Dissection Essay Example | Topics and Well Written Essays - 1250 words

Opinion Coulums Dissection - Essay Example From this point on, the writing is structurally focused on the spirit of sharing reflected in small gestures among ordinary people and how this is revealed through the sharing of the most precious commodity in the desert countries – water). But if we open our eyes, there are also those around us doing good for others away from the limelight and without seeking any recognition. (At this point, the focus of the article shifts from the negative impact of the media to the small acts of kindness which are not broadcast). Elsewhere, up near the Talk of the Town,(alliteration) Adliya, a householder has provided for several years a constant supply of drinking water for passers-by, with a purpose-built (passers-by and purpose-built is a consonance and alliteration, because the first letters and b of the respective words are similar) fountain, with a metal cup attached by a chain. (The use of drinking water supply with attached cup for passers by is a deliberate repetition, to emphasize the significance of the act of kindness extended by some Bahrainis to strangers.) This is a part of the world where water has always been precious and where in the days before modernization, people had to walk to wells to get their daily supply (Consonance) (historical imagery of the past and people walking in deserts to get their water supplies). These seemingly gestures of making water available to passing strangers who may be thirsty can be seen all over Bahrain and they are a small but significant symbol of the survival of community spirit. (Another repetition of the act of making water available to strangers to symbolize sharing and the good existing in society – also a historical allusion to the community spirit that existed in Arab culture which is continuing). It will soon be Ramadan, when the sharing spirit (example of consonance) comes to the force, with neighbors going from

Positive Effects Of The Industrial Revolution On The Lives Of People Case Study

Positive Effects Of The Industrial Revolution On The Lives Of People - Case Study Example The standard of living for some had improved and the society was progressing. The industrial revolution is said to have brought many positive effects in the lives of people. Inventions such as the steam locomotives helped transportation and the increase in agricultural yield helped the farmers. There were many more significant inventions which changed the face of the earth and improved the lives of the masses. However, as it is commonly said that a coin has two sides and so this is also visible here. With the many pros which the industrial revolution brought with itself, it also brought some flaws. It is these flaws which are often highlighted when the industrial revolution is discussed. To begin with, it is claimed that the industrial revolution created a huge gap between the other countries and Britain. Also, this did not only lead to a huge technological gap between the countries but this also created a financial gap between them and Britain. The incomes of the average family were increasing and the people were becoming richer. At this point, sociologists like Marxists claim that the businessmen or the ruling class are exploiting the masses by paying them lesser wages. This causes the standard of living of the workers to actually fall rather than improving. However, as statistics show that people were actually well of in the long run. As soon as the technological change set in the conditions started improving and soon the families were spending more on food, clothing and household goods than ever before 1 Overall, the Industrial Revolution had many good effects. It increased the number of goods and services a nation could produce and supplemented to its wealth. It created jobs for workers and overtime assisted they live better lives. It produced better diets, better accommodation, and cheaper, better clothing.

Arab Societies Essay Example | Topics and Well Written Essays - 500 words

Arab Societies - Essay Example Meanwhile, the former inhabitants of the land purchased by the oil-rich citizens are left to migrate to urban areas leaving their agricultural livelihood to be bulldozed into the ground as the new foundation of an eagerly anticipated tourist destination. These migrants eventually get employed in a job that does not offer them enough income to live comfortably. This is the picture of how most Arabs live in the Middle East as painted by the authors of the assigned readings. The unfortunate thing is that only 5% of the Arab people are living in luxury while the rest live within middle-class to lower-class means. The consequence of the rural-urban migration of people is leaving agricultural lands barren without anyone to tend to producing crops or raising livestock for people’s food. Kadri reports that exportation of food has significantly decreased and importation has been on a steady rise. Hence, malnutrition among Arab nations has also spread. What is the government doing about this â€Å"rich getting richer† and the â€Å"poor getting poorer† situation? Since huge investments on land and real-estate would need the appropriate permits and authorization to operate, with the authority coming from the government, it may be expected that people in government gain much from the investors and inevitably approve of their investments. Mitchell has described such leniency from government as neoliberalism. It may be overwhelming to witness vast lands being turned to â€Å"dreamland† while the economy suffers and the majority of the population live in poverty. One may question where most of the revenue from taxes of such luxurious investments go. Certainly not to programs that will uplift the standard of living of middle to low classed citizens! Government priorities have been lopsided, favouring the projects of the rich over the service of the poor. This may be due to the personal agendas of those in power. Farsoun laments how Arab state capitalism

Critically consider psychological explanations of love Essay Example for Free

Critically consider psychological explanations of love Essay There are three psychological theories of love, The Three Factor Theory of Romantic Love, Sternbergs Triangular Theory of Love and Romantic Love and Attachment. The three factor theory of romantic love suggested by Hatfield and Walster, recognises two types of love, passionate love and companionate love. Whilst passionate love can be seen as an intense physiological arousal which involves a longing for the other person, companionate love is more a feeling of affection towards those whom we feel deeply about. Hatfield and Walster propose a theory to explain passionate love based on three factors; physiological arousal, appropriate love object and cultural exposure. The authors see love as a label that is placed on someone that we are physiologically aroused by. Experiencing this arousal will cause a person to state it is because of love, since this is what our culture teaches us happens when we are in love. This theory receives support from research by Dutton and Aron. In this study, male participants were interviewed on a high or low suspension bridge, by an attractive female. The results supported the prediction that those males interviewed on a high bridge felt more sexual attraction to the woman, presumably because they experienced stronger physiological arousal. The males on the lower bridge felt less physical attraction, presumably because their physiological arousal was not as strong. It is possible that this theory could explain certain experiences such as love at first sight. However, since most people seem to fall in love gradually, this would suggest that for the majority of individuals, the label, love, comes first rather that the physiological arousal. The theory is also more applicable to western rather then eastern or collectivist cultures. Sternberg defines love as intimacy (sharing mutual understanding and emotional support), passion (involves physical attraction and sexual desire) and decision/commitment (involves the short-term decision that you love someone and a longer-term commitment to maintain that love). These three components of love can be combined in different ways to produce seven varieties of love; liking, infatuation, empty love, romantic love, compassionate love, fatuous love and consummate love. These seven types of love form a triangle. Consummate love being in the center as it is the strongest form of love since it involves all three components. Sternberg believes that people have two different types of triangle. The first is based on an individuals own theory of love and is formed in a cultural context from watching television, observing parents, reading books, including listening to fairy tales when young. The second triangle is based on the individuals current relationship. According to Sternberg when two triangles are similar, relationships tend to be more successful. The theory has practical applications it is possible to measure the components in the two parties and then analyse the differences in the types of love shown by each partner. It helps pinpoint areas where change and compromise may be necessary. However, the components are rather vague, especially commitment, and it is therefore difficult to judge the basis on which one person decides to love another. Hazan and Shaver proposed that romantic relationships are attachment relationships, and that individual differences in adult attachment style, mirror those found by psychologists who studied attachment styles such as Ainsworth. So rather than love being formed in a cultural context, Hazan and Shaver believe that love originates from a persons early relationship with a primary caregiver. This theory developed out of two earlier pieces of research by Ainsworth and Bowlby. Ainsworths strange situation and the observation that children have three different styles of attachment secure, insecure/anxious resistant and insecure/anxious avoidant. Bowlbys belief that the mothers behaviour towards the child creates an internal working model that leads the infant to expect the same in later relationships. According to Hazan and Shaver, later love relationships can be predicted from a childs attachment style. So therefore a secure child who had a positive image of a caring mother will have relationships in later life that are friendly, trusting and more enduring. A child classified as insecure/anxious resistant will have conflicting memories of the mother, both positive and rejecting, causing relationships in later life to consist of emotional highs and lows, with moments of jealousy and concerns whether their partners really love them. Insecure/anxious avoidant children will remember their mother as cold and rejecting and have relationships in later life where they fear being close to someone and believe love is not necessary for happiness nor is it long lasting. Hazan and Shavers research receives support from a number of studies in that there does seem to be a relationship between early attachment experiences and later attitudes and behaviour to love for example Feeny and Noller 1990. However the research has all been correlational in this area, so it cannot be claimed that early attachment causes later relationships behaviour. The relationship between the two could be caused by another factor. Kagon believes this other factor to be the temperament of the child. Infants are born with certain temperaments which determine the quality of their early relationships and these innate or genetic factors affect relationships throughout life. The three psychological theories of love provide partial explanations for this most intense of human emotion. Whilst Hatfield and Walster believe love to be a state of strong physiological arousal, Sternberg and Hazan and Shaver believe that love originates from a persons early relationships with a primary caregiver.

Free Hamlet Essays: Hamlet’s Fatal Mistake :: Shakespeare Hamlet Essays

Hamlet’s Fatal Mistake  Ã‚   When you play a part or a role to disguise your true character it harms you in the end. Hamlet’s antic disposition was a tragic error on his part because it let to his eventual demise. Hamlet displays the antic disposition in order to fool Claudius, although Claudius is the only character to not be fooled. When Hamlet denies Ophelia his love, she goes mad and takes her life. Hamlet becomes confused as to whether he is insane or not. For these reasons, Hamlet’s decision to portray an antic disposition is a tragic error.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   When Hamlet found out that Claudius killed his father Hamlet was furious, and got right to work on how to get his fathers revenge. Hamlet went to work by coming up with a plan to act mad so that it would hide the truth from Claudius, which was that Hamlet was going to kill Claudius. Hamlet has no such luck. Claudius does not believe Hamlet’s attempt at pretending that he is mad. "Was not like madness. There’s something in his soul" (III; I; 161). This means that Claudius does not believe that Hamlet is insane, but rather has some sort of plan being brewed. Claudius also has a plan that is to kill hamlet. This is ironic because in the end they end up Claudius is in the end murdered by Hamlet.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Hamlet must act mad if he wants Claudius to believe him, so Hamlet uses his confrontations with Ophelia to display it. Ophelia is manipulated by Hamlet for his own personal gain. Hamlet uses Ophelia to get the word that he is mad around the kingdom. This is sad because Ophelia is innocent and she ends up committing suicide in the end. One of the way’s Hamlet fools Ophelia into believing that he is insane is by scaring her. (II; I;75). " I have been so affrighted". Hamlet fools Ophelia into believing that he is mad by killing Polonius behind a curtain in the Gertrude’s room. This incident drives Ophelia into becoming insane and leads to her taking her own life.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Hamlet spends much of his time pretending to be mad, that he starts to believe that he really is insane. Hamlet feels as if he is losing control when he sees his father’s ghost in Gertrude’s chambers. Every other time the ghost appeared, someone else saw it as well, only this time his mother did not see it.

The Banning of Capital Punishment Essay examples -- Papers Death Penal

The Banning of Capital Punishment Capital punishment is a brutal, antiquated concept that must be abolished in the name of civilized society. A humane culture cannot abide the organized extermination of human beings in the name of justice. In the United States, dozens of people are put to death every year like stray animals, only perhaps in less humane ways. The methods of capital punishment vary greatly, but none are publicly accepted as humane. Society's support for the death penalty is waning, but there is still enough support in the United States to keep it legal in many states. The death penalty exercises only the most primal instincts to kill and extract revenge in an organized fashion. This is why the death penalty must be abolished entirely: to allow society to function in a civilized manner in which every person has the right to live. Capital punishment is hypocritical, selection is arbitrary and biased, and the practice itself is cruel and inhumane. By allowing the organized extermination of living human beings the government is telling the public that they have the right to extinguish anyone they think is a murderer. The very idea of killing another for killing is inherently hypocritical. By enforcing capital punishment, the government is telling the public that it is okay to kill as long as you have more power than the person you are killing. This is of course a very cut-and-dried interpretation, but it is what the message boils down to. The problem with such a hypocritical notion as an eye for eye, is its fundamental inconsistency. In order to practice; what they preach, the courts would have to find a way to steal from thieves, betray traitors, and rape rapists. This is obviously ludicrous. Besides the cen... ... government to kill those deemed "deserving". Consequently, there are laws in place that allow the punishment of murder, by murder. Society's integrity is diminished every time a criminal is executed. The very tenets of modern organization are opposed to the notion of capital punishment, yet this is constantly defied and ignored by the American legal system. If no changes are made and the death penalty remains an acceptable form of punishment, it is inevitable that this correctional method will bleed throughout the American legal system and be utilized for "potential murderers" and small-time thieves. The mentality that encourages organized murder in the name of justice is doomed to devour the society that supports it, creating a totalitarian culture governed by paranoia. Society must voice its opposition to capital punishment before it pays dearly for a for it.