Biology, asked by abhinavm, 1 year ago

valves are present between the auricles and ventricles of the heart justify their position

Answers

Answered by Dakshansh
9
they are present in such a way that the blood cannot flow back.
the mouth of valve is like |  | ← artery
                                         / \ ← valve
now,. the blood can easily flow in but it cannot reverse its direction
Answered by swarupan013
1

Answer:

The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.

Explanation:

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