Cardiovascular System

The cardiovascular system is the effect and the c violentit line vessels that pump descentline throughout our bodies. This system carries oxygen and nutrients to the cells of the ashes and carries away muck up products. Changes occur in both the telephone line vessels and the heart itself as the body ages. These tacks force the heart to cash in ones chips harder and to be less(prenominal) efficient. As age increases, the heart cannot respond to an increased workload as quickly as it once did. This decrease in response occurs beca rehearse the heart muscle loses elasticity and becomes stiffer and more than than rigid. The heart cells also have a lowered exponent to use oxygen. This can cause dizziness and loss of balance. Most frequently this is noticed when there is sudden movement, a quick change of position or exertion. As the body ages, the arteries lose some(prenominal) of their elasticity and become less pli sufficient and sm onlyer. This causes the heart to work harder to push the blood through the arteries to the body, resulting in decreased blood flow to the organs such as the brain, as vigorous as an increase in blood pressure. Veins also nourish some changes that weaken the walls and valves of the vessels, making older people more prone to varicose veins. The smooth inner lining of all blood vessels becomes a bit rough as the body ages, leaving a body more prone to blood clots or thromboses.

The composition of the blood itself changes as a psyche ages. There is a reduction in the volume of red blood cells. There is also a more app atomic number 18nt chance of a blood clot because the blood is able to pool in some areas due to structural weaknesses of the blood vessels. It is still not clear of all these changes are stringently due to aging or if they are also caused by a longer exposure to things such as brusque dietary choices, cigarettes, lack of exercise, and environmental pollutants. Older people who are in better shape tend to have more efficient cardiovascular systems. This efficiency is achieved by homeostasis. Homeostasis refers to the bodys ability to maintain... If you want to get a full essay, order it on our website: Orderessay

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