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The given graph shows rates of heartbeat...

The given graph shows rates of heartbeat in Mr X and Mr Y.

Select the incorrect option regarding this.

A

Mr X may be doing some exercise due to which his heartbeat rate has increased in order to supply more oxygen to his body cells.

B

Mr Y is in deep sleep state so his body cells do not require any oxygen hence his heartbeat rate has gradually reduced to 0.

C

Mr X may be watching some scary movie which has triggered stress and has increased his heartbeat rate.

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Even at rest human heart beat about 72 times per minute in an adult. This is called heart beat rate. It can never be zero in a normal human being.
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