Question

please answer these questions
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Answer 1

Answer:

4) Valves are found in the blood vessels called veins.

2) Arteries bulge on the side away from the heart as the rate of blood keeps increasing and so is the pressure.

5) The valves prevent the back flow of blood. They act as one way inlets of blood of one side of a ventricle and one way outlets of blood on the other side of the ventricle.

Answer 2

answer -. Valves are found in the blood vessels called brain.

hope it will help you

I don't know other answer.