Question

what could have been the problem with our circulatory system if there were no valves in the veins??????​

Answer 1

Answer:

pure blood would mix with impure blood because there will be no valves tp prevent the back floor of blood.

Explanation:

Valves helps to prevent the backflow of blood, that is, it prevents the backflow of de-oxygenated blood from ventricles to auricles. If these valves do not work, pure and impure blood will mix altogether.

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Answer 2

Answer:

pure blood would mix with impure blood because there will be no valves tp prevent the back floor of blood.

Explanation:

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