asked 136k views
3 votes
The S1 heart sound is due to ________________. opening of the atrioventricular valves. blood rushing into the atria opening of the semi-lunar valves. closure of the atrioventricular valves.

asked
User Alicht
by
7.7k points

1 Answer

7 votes

Answer:rupturing

Explanation: sound to powerful

answered
User David Dombrowsky
by
7.8k points
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