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The cardiovascular and lymphatic system
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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The cardiovascular and lymphatic system 1. Briefly describe the cardiovascular system. Include the structures within the system and their functions. Label diagrams of the heart and the major blood vessels. The cardiovascular system consists of the heart and a network of blood vessels that take blood to and from the heart. The heart is the main force behind the blood flow. The vessels consist of arteries, veins and capillaries. Arteries carry oxygenated blood that is rich in oxygen, to the organs and tissues of the body. Capillaries are very fine thin-walled through which exchange of materials between the blood and tissues occur. The vein usually carries de- oxygenated blood back towards the heart, from where it is pumped to the lungs. The Heart This is a muscular pumping organ that maintains blood circulation, and it's usually equipped with valves to prevent backward flow. The art has four chambers consisting of two relatively thin-walled atria...
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