Question

what happens if there is no valves in veins?​

Answer 1

$\huge{\underline{\mathfrak{Answer:-}}}$

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.

Answer 2

Answer:

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.

Explanation:

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