What makes up the cardiovascular system, and describe the components.How the cardiovascular system works and the effect of exercise on the cardiovascualr system

Cardiovascular System Cardio gist the partiality and vascular means the ne bothrk of capillaries, arteries and veins. The spanking role of the cardiovascular system in to maintain homeostasis, this depends on the continuous and controlled movement of family complete with(predicate) the capillaries that fill from each one tissue and reach all(prenominal) cell in the body. The centre is a hollow orotund muscular organ that is hardened between the lungs, and is in the centre of attention of the chest. The heart pumps derivation through the body, which supplies the cells with oxygen and nutrients, and removes carbon dioxide and ravage products such as lactic acid and urea. It is attached to the breastbone by special connector tissues called ligaments. The heart has four sleeping rooms, a small upper chamber, which is called the atrium, and a large lower chamber called the ventricle, it has one of these on each side. The septum divides the heart in to its twain separ ate pumps, the left and the right. The mean(a) hearts muscle, called cardiac muscle, contracts and relaxes about 70 to 80 times per minute.

The heart to a fault contains valves on both side, it contains an Aortic valve that stops the backflow of blood from the aorta into the ventricles, the Bicuspid valve which has two cusps, this also stops backflow of blood from the ventricle to the atria, as the left ventricle contracts the bicuspidate valve stops blood discharge backwards, Tricuspid valve, has three cusps and this also stops the backflow of blood to the atria when the right ventricle contracts, and eventual ly the Pulmonary valve which stops blood bac! k flowing through the ventricle from the pulmonary artery. Deoxygenated blood enters the right atria from the superior and substandard vena cavae. The right atrium so fills with blood, the blood passes through a one-way valve that takes the... If you want to derive a full essay, rank it on our website: BestEssayCheap.com

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