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Transportation in Animals and Plants

Transportation in Animals and Plants > Ask Question to Alfie
cee
Hi
Which instrument is used to measure heartbeat
user
cee
A stethoscope is a medical instrument used to amplify the sound of the heart. lungs, and intestines.
Using a stethoscope to hear sounds is called auscultation.
cee
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Blood flow in heart is one way. Why?
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