What will happen to submaximal heart rate during exercise at altitude for any given level of submaximal oxygen consumption when compared to sea level?

increase

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decrease

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remain the same

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depends on the type of activity

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Solution

The correct option is A increase
Since at high altitude oxygen concentration is less in compare to that at sea level hence rate of $O_{2}$ consumption increases leading to increase in heart rate.

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Similar questions

During exercise, the heart rate increases due to:

Assertion: extra oxygen consumption is called oxygen dept

reason: extra oxygen is required to oxidize accumulated lactic acid produced during strenuous exercise

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