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After fast running, man has fast heart b...

After fast running, man has fast heart beat, slow pulse and shallow breathing, in such conditions he has

A

Oxygen debt

B

Poisoning due to lactic acid

C

No pulmonary pressure

D

Weak heart

Text Solution

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The correct Answer is:
a
rate of `O_(2)` supply by lungs into muscles falls down during active work or in exercise. Muscles accumulate lactic acid and slowly breathing becomes hard so as to inceases `O_(2)` intake in lungs.this stage is called oxygen debt.
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