xnenonenox
xnenonenox xnenonenox
  • 06-02-2017
  • Biology
contestada

Action potentials received directly from ________________ stimulate the papillary muscles to contract allowing for the proper _______________ of the AV valves.

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scme1702
scme1702 scme1702
  • 10-02-2017
Atrioventricular node; closing
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