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4 votes
The beat your doctor listens to through a stethoscope is the sound of the four valves opening and closing.

TRUE OR FALSE

User Mauren
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2 Answers

3 votes
true. I believe I did this last year and that was the answer
User Mansoor Jafar
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7.7k points
3 votes
The beat your doctor listens to through a stethoscope is the sound of the four valves opening and closing is True, I believe.
User Gawry
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8.8k points
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