How does the respiratory syste essays

How does the respiratory syste essays How does the respiratory system achieve the movement of air in to and out of the lungs? Discuss the physical factors involved in quiet breathing. The respiratory system in humans consists of the lungs, series of tubes leading to the lungs and the chest structures responsible for moving air into and out of lungs. The lungs are found in a closed compartment bounded by the neck muscles and the diaphragm called the thorax. The thoracic wall contains large amounts of elastic connective tissue, which assists in the stretching of the lungs. Each lung is completely surrounded by a closed sac called the pleural sac. In between the 2 plural sacs of each lung there is an extremely thin layer of intrapleural fluid. Changes in the hydrostatic pressure of this fluid, the intrapleural pressure, cause the lung and thoracic wall move in and out during normal breathing. The exchange of air between the atmosphere and the alveoli is called ventilation. During ventilation air moves into and out of the lungs because the alveoli pressure decreases and becomes greater than atmospheric pressure. These pressure changes are caused by changes in dimensions of the lungs. Boyles law states that at a constant temperature an increase in the volume of a container decreases the pressure of a gas whereas a decrease in container volume increases the pressure. This law can be applied to the lungs. As the lungs change in volume this causes a change in alveoli pressure, which drives air into and out of the lungs. The volume of the lung depends on 2 factors: - 1. Transpulmonary pressure the difference in pressure between the inside of the lung (alveoli pressure- Palv) and the outside of the lungs (intrapleural fluid pressure- Pip) Transpulmonary pressure = (Palv) - (Pip) 2. Compliance- the ability of lung tissues to stretch. change in pressure There are no muscles attached to lung surf ...

Castration Essay Example for Free

Castration Essay Choose cite format: APA MLA Harvard Chicago ASA IEEE AMA Sexual assault and child molestation are a constant emergent problem in the United States today, the bigger issue is the fact that the pedophiles are being released from prison early due to overcrowding of the prison system. One such famous pedophile is David Wayne Jones, who was convicted of several different charges involving child molestation against more than 40 boys. Mr. Jones, who served only 15 years due toa plea agreement for those charges, underwent voluntary physical castration in lieu of hemical castration (Schmalleger, 2009). He was previously on medicine that was for chemical castration, or testosterone blocking medicine. This opens up the discussion for castration and if it is a viable option for sexual predators. Castration is best described as removing the reproductive organs of an individual to prevent virility Oennett & Blakemore, 2012). While in the past castration was only in the physical for, in todays society there are two types of castration, chemical and physical. Both hysical castration and chemical castration have the prospective to decrease the recidivism rates of sex offenders by lowering testosterone hormone levels, weaken sexual impulses, and making erotic urges more manageable if the sexual urges are encouraged by amplified testosterone hormone levels. Chemical castration is intended to be less invasive and a temporary fix, while physical castration is permanent. In relation to sexual predators, some see castration as an easy answer to an appalling and intricate problem. Given that the current penitentiary systems does not seem to be successfully functioning to decrease the rates of recidivism. It is even failing to be a deterrent to future sexual offenders. As with castration is supposed to lower the different hormones that are needed to become aroused, it is not always 100 percent. I believe that there are some cases where the Judge should have the option of surgical or chemical castration. I strongly believe that surgical and chemical castration should not be an option for first time offenders. If the Judge sentenced castration on a first time offender, how would that give the offender possibilities of rehabilitation. The statics show that majority of all sex offenders was once a victim of the same crime. While this does not mean let the offender get away with a crime because of their history, it basically means give the offender a chance to go through therapy. Also, I believe that all first time sex offenders should be mandated to take a psychiatric evaluation. This evaluation would distinguish a mental illness from a sick ndividual. As for second time offenders, I believe this should most definitely be an option for a Judge. After the first offense and having the resources of rehabilitation, the offender should have learned a lesson. Obviously, if it is a second offense, that shows the offender may not be able to control themselves or not care about the harm he is doing to others or the consequences of his actions. If the second time offender is sentenced to castration, I believe this offender should be eligible for early parole or early release. For the third time offenders, I believe there should be Justice served for this individual. A third time sex offender should be mandated to chemical and surgical castration when at their sentencing hearing. An offender who commits the Instead using castration as a method to release sex offenders because of the problem of overcrowding of the prison system; castration should be used as a punishment. If the prison system wants to reduce any offenders sentence due to overcrowding, it should be those offenders that have committed a non-sexual abuse offense. Castration. (2018, Oct 15).

Decide by yourself Essay Example | Topics and Well Written Essays - 1250 words - 2

Decide by yourself - Essay Example It is difficult to pin point an exact time of disappearances of specific individuals after the Bacon Rebellion. What is so mysterious, however, is that the disappearances of numerous freed slave families simply no longer existed on record after the time of the Bacon Rebellion. The Rebellion itself occurred in 1676, but progressively after the rebellion, the disappearances began. A brief history of the Bacon Rebellion will tell us that a few key factors implicated in igniting it involved a decline in tobacco quality due to massive over production and lowered prices, scarce land availability, raised taxes, and an overall low popularity of the government at the time, particularly Governor Berkley. Other factors which played more critically in the events that spurned the rebellion were poor relations with Native Americans. In fact, there was a great deal of unrest between several tribes and the colonists. In some of the raids perpetrated on Native American tribes, it was a case of mistaken identity that made a bad situation worse. Initially, it was the Doeg tribe which instigated the raid. The Susquehanna tribe, however, was victim to the retaliation raid by the colonists. In reality, it was these raids back and forth between Native Americans and colonists that started the Bacon Rebellion. Nathaniel Bacon, a highly popular colonist, began and led the Bacon Rebellion. At the time, Sir William Berkley served as governor of the colony. He would not consent to sending troops to help the colonists in their retaliation against the Native Americans whom the colonists felt posed a threat. Eventually, Bacon and his followers essentially overthrew Berkley. In the end, however, it was Berkley who won with the help of British royal naval ships. It is important to mention that many freed slaves were actually in support of the rebellion as well as part of it. It was the working class colonists and freed slaves against the

Software for wireless devices Essay Example | Topics and Well Written Essays - 250 words

Software for wireless devices - Essay Example The software developers have to anticipate special requirements and design the system differently such as by re-designing the software program to deal with a limited memory, for example. The five major software components necessary in mobile computing include 1) mobile operating system such as Microsoft, Symbian, Linux, and other specialized operating systems, 2) a mobile application user interface which is the application logic in mobile devices to operate the various interface devices such as a mini-joystick, touch screen, thumb wheel, and jog dial, 3) the microbrowsers which are actually similar to standard Internet browsers but specially adapted to deal with the limitations in the memory, bandwidth, and smaller display screens of mobile devices, 4) the wireless application protocol or WAP which is the suite of network protocols to enable different kinds of wireless devices to access WAP-readable files on an Internet-connected Web server, and 5) various mark-up languages which is also an area that lacks a single uniform standard; examples of competing standards are wireless markup language (WML), the compact hypertext markup language (cHTML), and extensible hyper text markup language

Role of Women in the Epic of Beowulf Essay -- Epic of Beowulf womenbeo

Role of Women in Beowulf As an epic tale of heroes and monsters, Beowulf gives its readers much excitement and adventure, but Beowulf's importance is more than just literary. It offers many insights into the beliefs and customs of seventh-century Anglo-Saxon culture. Among these insights is the Anglo-Saxon view of women and their role in society. Good Anglo-Saxon women are peaceful and unassertive, greeting guests and serving drinks to the warriors and other men in the meadhall. Wealhtheow, the queen of the Danes, represents a typical subservient Anglo-Saxon woman. As a foil to Wealhtheow, Grendel's mother is a strong and combative monster whom Beowulf must kill. By analyzing these two characters in Beowulf, we can understand the treatment and mistreatment of women in Anglo-Saxon society. The author of Beowulf generally supports the traditional Anglo-Saxon views of women by praising Wealhtheow, condemning Grendel's mother, and showing the need to suppress feminine forces like Wyrd; however, he does offer som e criticism of these views by creating sympathy for Grendel's mother, allowing Wealhtheow to assert herself in the interest of her husband and children, and revealing masculine fear of feminine power. The author creates Wealhtheow to embody the role of a traditional Anglo-Saxon woman, and he presents this role as the only appropriate one for Wealhtheow to fulfill. She serves as a peacekeeper in the ever-tumultuous Heorot meadhall. When the author first introduces Wealhtheow to his audience, she immediately falls into her role as peaceful greeter and cocktail waitress. The author writes, "Then Wealhtheow came forth / folk-queen of the Danes daughter of Helmingas / and Hrothgar's bedmate. She hailed all of them / spo... ...st darkness" (l. 73) to restore peace and order. Wyrd works to bring disorder and doom to Beowulf and the warriors of Heorot, just as Grendel's mother wages her war of destruction and death on Hrothgar and his kingdom. Beowulf subdues Grendel's mother permanently by killing her, but Wyrd can only be avoided temporarily, not destroyed once and for all. This suggests that the struggle against female authority and uprising is timeless, and the only way to deal with this problem is on an individual basis. The author's views on women may never be fully revealed, but it is clear that he believes in male superiority and that insurgent females ought to be suppressed. Like Wealhtheow, females should only exert minimal power and influence, but they should always keep the drinks coming. Work Cited Beowulf. Trans. Frederick Rebsamen. New York: HarperPerennial, 1991.

Individualism versus Collectivism Essay

The concepts of individualism and collectivism apply to the description of societies and individuals within the society. Cultures vary in their levels of individualism/ collectivism while individuals within these specific cultures vary on the same dimension. Idiocentric and allocentric are constructs that are very important in differentiating consistent variations of an individual’s attitudes, beliefs, self-definition, normative behavior and self-definition. Individualism is termed as the person’s level of idiocentric while collectivism is the person’s level of allocentric (Udehn, 2001). Idiocentric individuals emphasize more on their own goals and needs over those of the group to which they belong. They are much independent and self-reliant. On the other hand, allocentric individuals tend to be more cooperative, interdependent and they also have a stronger desire to partner with others. In addition allocentric and idiocentric individuals differ in their source of intimacy and companionship to satisfy their several needs and to strengthen their self-esteem. For instance, idiocentric obtains their social support from peers and best friends while allocentrics obtain their social support from their parents. Individuals with allocentric tendencies have fewer daily but more in-depth discussions than individuals with idiocentric tendencies. People who express more allocentric or idiocentric tendencies vary in various ways. For instance, the people who tend to be more allocentric have good reliability and inter-correlation thus showing convergent validity. They are characterized with three main aspects which include individual to group goals, in-group as extension of the self and in-group identity. Individuals who are more idiocentric mainly use equity and need in distributing rewards. Individuals who are more allocentric mainly emphasize on the values of cooperation, fairness and honesty while individuals who are more idiocentric put much emphasis on values of comfortable life, competition, pleasure and social recognition. Persons who are allocentric receive much and better quality social support while those who are more idiocentric are usually higher in achievement motivation, alienation and greater loneliness. The difference between collective and individualist cultures is mainly based on self. In collectivist cultures, the self is more linked to in-group memberships while in individualist cultures; self-concept is obtained from independently groups which are based on the varying characteristics and contributions of the individual. In collectivists’ cultures, there is high adherence to the goals of the in-group and to in-group values and also the maintaining of in-group harmony (Lee & Kelly 1996). In individualistic societies, the aims and the goals of a particular individual are more important and less significance is attached to in-group harmony. Nevertheless, individualism is mainly based on Western cultures while collectivism is related with Eastern cultures. Collectivistic cultures have lower rates of suicide, psychopathology and relatively higher marital satisfaction than individualistic cultures. I consider myself to be idiocentric. This is because I always concentrate on my own goals and achievement over those of the other people and I carry out my tasks independently. I normally display a different tendency towards the allocentric. For instance, in making purchase of luxury brands, I purchase goods for my own sake pleasures ad interests while the allocentric purchase the luxury brands only with an aim of seeking social recognition (McCarthy, 2005). As a result of these differences, conflict and misunderstanding emerges. This is because as a personally motivated consumer, I will purchase the luxury brands for self-interests while on the other hand an allocentric individual who is socially motivated will make the purchase of luxury brands with an aim of seeking social recognition.

Enron The Demise Of Enron - 1740 Words

Enron was a corporation that reached heights unknown, only to watch it fall apart from the inside out based on a foundation of falsehoods and cheating. Enron established a business culture that flourished on competition and was perceived in society as an arrogant corporation, mainly because of its corporate leadership. The fairytale of Enron actually ended as a nightmare with it destroyed by one of America’s largest bankruptcies in history. The demise of Enron impacted the livelihood and futures of numerous employees, their pensions, and in due course impacted Wall Street in a significant way. Even people today are amazed at how such a powerful company met its demise so rapidly. Enron’s end was a product of greed when certain executives of Enron were not eager to accept the failure of their company. The company utilized mark-to-market accounting that detailed the projected impending profits from a long-term deal (Lawry, 2015, p. 28) The results of the deals did not gene rate revenue as anticipated, but tremendous loss instead. This resulted in Enron accumulating enormous amounts of debt that they attempted to keep classified from the public. Ultimately the truth came to fruition. Presently, Assurant has many formal policies in place, but as with any Fortune 500 company, informally – there is much work to be done and improved upon. Assurant may not be founded on deceit per say, but the insurance business is â€Å"business† and leaves a bad taste in many people’s mouths. Documents,Show MoreRelatedEnron : The Leading Factor That Had Enron Into Its Demise Essay1608 Words   |  7 PagesThe leading factor that had Enron into its demise revolves around the notion that, â€Å"companies are often so concerned with appearance and damage control that they are unwilling to engage in the degree of examination required to root out the entrenched causes of trust violations† (Hurley, Gillespie, Ferrin Dietz, 2013). The historical performance of Enron’s rising share prices, coupled to the constant positive media attentions, only added fuel to the fire in terms of Enron’s competitive culture.Read MoreOrganizational Culture : The Dem ise Of Enron1489 Words   |  6 Pagescorporations but some, like Enron operate parallel to the all the good they portray but in a vacuum they operate with only their selfish desires and greed. Organizational culture can be difficult to define in a sense because it’s not a palpable concept. 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The approach which have used in this paper to respond, the case study question are the background of the case organization and how business structure had been use by the