Biology, asked by norafatehi96, 1 year ago

why are valves present in heart and veins?

Answers

Answered by JoyDubey

10

★ Answer:

→ Valves are present in heart and veins to ensure that blood does not flow backward, i.e. to allow flow of blood only in one direction.

#ThankYuH..

@JoY...❤️

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