Question

which structures of heart control the flow of the blood? ( )
1. arteries 2. veins 3. valves 4. capillaries​

Answer 1

Answer:

option 3 = valves

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Answer 2

Answer:

VALVES

Explanation:

Your heart has four valves that control the flow of blood in and out of the chambers. There are valves between the atrium and the ventricle on each side of your heart. There is also a valve controlling the flow of blood out of each of your ventricles. The valves are designed to keep blood flowing forward only.

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