abidenmlg12 abidenmlg12
  • 21-06-2017
  • Biology
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Why do blood vessels and lymph vessels have valves?

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milanoel
milanoel milanoel
  • 21-06-2017
Lymph vessels have one-way valves in order to prevent the back flow of lymphatic fluid. Blood vessels have valves in order to keep the blood flowing in one direction.
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