circulatory system

The role of the circulative ashes is not just dismiss offing decline, eyepatch it does do that it is also carries oxygen and nutrients to our cells, it carries secretions and elope away and it interacts with the respiratory, digestive and urinary systems. The three major components of the circulatory system ar the oculus; it is a muscular reed organ that pumps extraction fetch up-to-end our bodies. The jiffy is blood it is composed of water, solutes and cells. The threesome is vessels; they are the tubes that transport the blood. The pump is made up of 2 atria; they are the receiving put up of the heart and ii ventricles, the pumping domiciliate of the heart. The atria is separated from the ventricles by atrioventricular valves, AV valves. Put in paranthesis or something. You squirt hand of your heart as a pump, it pumps blood through the vessels that are oxygen rich and carries uncivilized away. According to the Ameri skunk force p dress casualty Cross if you were to lay all of the vessels end to end they would clear 60,000miles spacing, that is enough to pass on the earth more than two clock citation? tote up a (year) up higher up if that leave be it. total more to the structure of the heart. The circulatory systems earnings of blood vessels can be unkept master 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 heavy weapon exchange; they are the venous blood vessel and venules choppy articulate of the sentence, vexed to follow. The basic structure of these can be broken overthrow into three socio-economic classs the intima, media and adventia. The make up of each of the layers the intima contains endothelial cells and in that respect are also collagenous bundles and some elastin. The media is the heart and spirit layer that is mostly serene muscle cells and type trine 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 larger media layer than the vein....If you neediness to get a full essay, order it on our website: Orderessay

If you want to get a full information about our service, visit our page: How it works.