painjoedan9329 painjoedan9329
  • 02-03-2022
  • Health
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What action causes the first heart sound heard through a stethoscope?.

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Heatherpriggins
Heatherpriggins Heatherpriggins
  • 02-03-2022

Answer:

Closing of the atrioventricular values and blood hitting against the valves.

Explanation:

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