Explain how valves help the transport of blood in veins.

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asked Jun 8, 2021 195k views

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Sean Carpenter · Answer 1 · 2021-06-12T05:04:46+0000

Answer:

The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back

Explain how valves help the transport of blood in veins.

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