Cardiovascular Respiratory System During Exercise Physical Education Essay

Cardiovascular Respiratory System During Exercise Physical Education Essay A good understanding of anatomy and physiology is the basis of all medicine. Without knowing how the body works, how it is made up and how it can go wrong, we cannot even begin to design effective treatments and interventions, including surgery or new pharmaceutical drugs. The body has many different systems which help to maintain the body’s normal function. Three of these functions are; the cardiovascular system, respiratory system and the musculoskeletal system. In this assignment I will be looking at how these three systems work both at resting and during exercise. Cardiovascular System Wilmore, J.H; Costill, D.L (2004) states that the cardiovascular system consists of; the heart, which acts as a pump, blood vessels acting as a system of channels and it also consists of blood which acts as a fluid medium. The cardiovascular system has three main functions: Transports oxygen and nutrients to the body’s cells and transports carbon dioxide and waste products from the b ody’s cells. Protects the body from infection and loss of blood. Helps to regulate pH balance of the body, body temperature and the balance of fluid. (Plowman, A. S; Smith, D.L; 2010). Below is a diagram which shows the circulation of the cardiovascular system. http://agingresearch.buffalo.edu/assets/images/chf_circulatory_system.jpg (Image from http://agingresearch.buffalo.edu/†¦/chf_circulatory_system.jpg) As the diagram above shows the heart pumps oxidized blood to the body so the nutrients can be distributed to the cells and remove the waste which is then returned to the heart and then into the lungs to be oxidized again to return to the body. Response to Exercise Exercise uses up a lot of energy, which the cells derive from oxidizing glucose. Both glucose and oxygen have to be delivered by the blood. This means that the heart has to work harder to pump more blood through the body. This means it has to beat faster in order to achieve a higher throughput. The cardiova scular system responds to exercise by increasing the activity level. The adrenal gland increases the production of the hormones adrenaline and nor adrenaline. These have direct effects on the heart. These hormones cause an increase in the heart rate and the force with which the heart contracts each beat. This increases the total amount of blood that is circulated in the body every minute. That increase in blood circulation is required to meet the increased demand for nutrients and oxygen that the muscles and other tissues. There are several types of exercise and they all affect the cardiovascular system in a similar way, an example of some of these are; short term light to sub maximal aerobic, long term moderate to heavy sub maximal aerobic, incremental aerobic, static exercise and resistance exercise. For the purpose of this essay I will be looking at and comparing; short term to sub maximal aerobic exercise and heavy sub maximal aerobic exercise and how they affect the cardiovascu lar system. img010img011 This image shows the graphs of the changes in the cardiovascular system during light exercise (left) and moderate to heavy exercise (right).

Compose a narritive Essay Example | Topics and Well Written Essays - 1000 words

Compose a narritive - Essay Example Conflict is inevitable at work because individuals have diverse views on the operations of an organization. Some individuals may support the decisions made by employers while others tend to disagree. An effective leader has the capacity to recognize the existence of a conflict and comprehends its nature. I was frustrated with the boss because he did not respond to some issues regarding the tracking system. This system requires adequate maintenance every month to ensure that operations run smoothly and efficiently. Only high skilled personnel can operate this system and they end up charging huge amounts of money. Some preceding months ago, my employer complained of the high maintenance costs and insisted that he would withdraw the system. This angered me because that action would mean that I would now perform the daily tasks manually. I have been complaining regarding the effectiveness of the system since its implementation telling him that it requires monthly maintenance, but my empl oyer kept on dismissing my utterances because he did not like spending huge amounts of money on maintenance. My employer never understands that expenses are inevitable in any organization. My employer’s reluctance was the prime reason that propelled the emergence of a conflict between us. Additionally, it was a conflict based on disparity in priorities. He is inattentive to subordinates’ concerns and hates listening to information about any weakness within the organization. Even though I demand a lot, I am very loyal and dedicated to my job, but my employer tends to frustrate me when he ignores the fact that the system requires monthly maintenance. I would return home annoyed because of daily arguments with my employer but would report the following day assuming nothing had happened at work. It never dawned on me that I needed to settle the issue with my employer though this conflict affected my performance at work. I would avoid interacting with him, and each time I n eeded some assistance on how to undertake some complex tasks, I would consult my fellow employees. They did not hesitate to assist me because they were aware that I did not like associating with him after he started undermining my concerns. Additionally, I noted that my refusal to deal with the conflict affected my association with my family members. At times, I could transfer my temper to my young innocent siblings and nearly beat them up for no apparent reason. I hated myself for behaving awkwardly towards my family though I knew that the problem was because of my ineffective relationship with my employer. Moreover, I realized that this conflict interfered with my ambitions because I lacked the motivation to pursue my goals. I became resentful of my job and felt that it did not match my capabilities. It was now clear from my family and fellow employees that they wanted me to alter my attitude. My fellow subordinates advised me daily that I needed to end my conflict with the boss t o avoid facing dire consequences. Deep down, I knew that the conflict emerged because of ineffective leadership of my employer. A leader needs to set a good example by articulating his accomplishments, behaving ethically, and supporting subordinates. According to (Picard 22), a leader should facilitate conflict resolutions because conflicts can distract subordinates and this may impede with the organization’

Probation, Parole, and Intermediate Sanctions Essay

Probation, Parole, and Intermediate Sanctions - Essay Example Finally, the paper will close with a review on the ethical issues that surrounds the correction processes, approaches and facilities. Crime and community safety have been the most disturbing issues across the entire world since time immemorial. Criminal activities carried within communities have caused unrest and state of confusion as most people fear for the safety of their lives and property. It is due to adverse effects of crimes on communities that legal professionals and security personnel came up with strategies of arresting, examining, rehabilitating and incarcerating individual criminals to restore peace, sanity and confidence in particular communities. Historically, criminal activities were assumed to be caused by evil spirits and therefore, individual criminals were taken to the public for severe punishment as deterrence to other potential activities. Revolution took place in history of crime justice and community safety and gave rise to alternative models of discouraging and ending criminal activities. Among the notable revolutionized ways of handling criminal activities include parole, probation and in termediate sanctions. Schmalleger (2012) avers that the three methods of handling crime justice and community safety have been experiencing pendulum effects due back and forth review and exercise. Patersilia (1998) asserts that probation and parole have been misunderstood as the only approaches to ensuring community safety and criminal justice. Despite the similarities in the application of parole and probation modes of enforcing criminal justice, the difference occurs in the manner in which each is ignited and set to work. Probation according to Patersilia (1998) is an execution process involving the sentencing of criminal offenders to serve in the community projects as opposed to incarceration. Parole involves release of an offender from