Blood vessel

We have different kinds of receptors in our vessel cells. Some might constrict like digestive and some might dilate like muscle vessels. But the work of kidney is not only filtering blood. It's other function is to regulate blood pressure. So I think it would dilate because ...

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the aortic arches carry blood from the dorsal blood vessel to the ventral blood vessel (I found it in wikipedia & I believe this is correct) But I thought ...

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... reaction when reactants are very ,,diffusive ''). 5. When diameter of blood vessel suddenly decreases, the blood pressure increases (at the constant blood volume). But ...

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... Thanks in advance! --- 1. In general, one-way valves are found in lymph vessels, veins, and the heart muscle. There wouldn't be any in the artery because blood is continually flowing away from the heart under high pressure? 2. Why would there ...

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