angie15195 angie15195
  • 19-11-2021
  • Health
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An electrical signal causes the atria to…

Respuesta :

Bfudusursitdut Bfudusursitdut
  • 19-11-2021

Answer:

contract and pump blood into your ventricles, the electrical signal arrives at a group of cells at the bottom of the right atrium called the atrioventricular node, or AV node.

Explanation:

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