Why do blood vessels and lymph vessels have valves? to control the volume of blood and lymph to ensure blood and lymph flow back to the heart to regulate hormone release in blood and lymph to block the flow of harmful substances in blood and lymph

Question

Kyson Sheppard

Biology

20 March, 02:34

Why do blood vessels and lymph vessels have valves? to control the volume of blood and lymph to ensure blood and lymph flow back to the heart to regulate hormone release in blood and lymph to block the flow of harmful substances in blood and lymph

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Ethen Garcia · Answer 1

Answer - To prevent the black flow of lymphatic aka lymph.

Reasoning - Reason is because it's to allow proteins to pass and other molecules to do its job.