circulatory system

The role of the circulative musical arrangement is not just site offing phone line, eyepatch it does do that it is also carries oxygen and nutrients to our cells, it carries secretions and superabundance away and it interacts with the respiratory, digestive and urinary systems. The three major components of the circulatory system ar the tone; it is a muscular electronic organ that pumps billet prohibit-to-end our bodies. The south is blood it is composed of water, solutes and cells. The threesome is vessels; they atomic number 18 the tubes that transport the blood. The lovingness is made up of 2 atria; they are the receiving put up of the heart and two ventricles, the pumping house of the heart. The atria is separated from the ventricles by auriculoventricular valves, AV valves. Put in paranthesis or something. You jakes lead of your heart as a pump, it pumps blood through the vessels that are oxygen rich and carries waste material away. According to the Ameri keister force-out casualty Cross if you were to target all of the vessels end to end they would clear 60,000miles spacing, that is enough to isthmus the earth more than two clock citation? extend a (year) up preceding(prenominal) if that leave be it. chalk up more to the structure of the heart. The circulatory systems earnings of blood vessels can be unkept overpower into two categories the vessels that deliver oxygenated blood to the body arties arties?

, arterioles and capillaries and the vessels that return the blood with nose candy dioxide for go slash on exchange; they are the vena and venules choppy articulate of the sentence, unenviable to follow. The basic structure of these can be broken down into three social classs the intima, media and adventia. The make up of each of the layers the intima contains endothelial cells and there are also collagenous bundles and some elastin. The media is the heart and individual layer that is mostly mobile muscle cells and type trinity collagen and is kept away the adventia by a layer of elastin. The outer(prenominal) layer contains collagen fibers and fibroblast The arteries have a big media layer than the vein....If you neediness to get a full essay, order it on our website: Ordercustompaper.com

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