adoretinaaa adoretinaaa
  • 23-10-2017
  • English
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what is the function of valves in the heart

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  • 23-10-2017
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rayskylar97
rayskylar97 rayskylar97
  • 23-10-2017
The function of valves is to open and close during the cardiac cycle to direct the flow of blood through the heart chambers and out to the rest of the body.
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