Which one of the following plays the most significant role in regulating the distribution of blood into tissues? a. venulesb. arteriesc. capillariesd. veinse. arterioles

Arteries. (Ans. B)

Explanation:

Arteries play the most significant role in regulating the distribution of blood into tissues. Pulmonary arteries transport blood from the right ventricle to the lungs, pulmonary arteries transport blood which has a low oxygen content. Systematic arteries regulating (transport) oxygenated blood from the left ventricle to the tissues present in the body.

Wall of arteries consists of three layers:

1) The innermost (tunica interna)

2) The middle layer (tunica media)

3) The outer most (tunica adventitia)

a polymer is a chainlike molecule made up of small molecular units. these small molecular units are called monomers. monomers of polymer can be joined together either naturally or synthetically.  

it is b

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