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Class 11
BIOLOGY
ECG records...

ECG records

A

Electric current of the body

B

Potential differences

C

Pulse rate

D

Quantity of blood pumped per minute

Text Solution

Verified by Experts

The correct Answer is:
B
An electrocardiogram records the electrical activity of the heart. The heart produces tiny electrical impulses which spread through the heart muscle to make it contract. These impulses can be detected by the ECG machine.
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