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Which of the following is true as exercise intensity increases?

a. Energy is supplied in a smooth continuum where one system may predominate depending upon the intensity.
b. When the anaerobic threshold is reached muscles begin getting oxygen and suddenly begin producing lactate, which can be measured in the blood.
c. There is a point in ultraendurance activities where fat metabolism stops completely and protein metabolism supplies nearly all of the energy.
d. At a certain point aerobic metabolism is shut off and anaerobic metabolism is turned on.

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shivjimishraVT

The statement that is true as exercise intensity increases is energy is supplied in a smooth continuum where one system may predominate depending upon the intensity.

What do you mean by Exercise intensity?

Exercise intensity may be defined as the amount of energy required for the performance of the physical activity per unit of time.

An increase in exercise intensity increases the cardiac output of a person which affects the heart rate. It leads to glucose metabolism in the body which directly affects the normal heart rate.

Therefore, The statement that is true as exercise intensity increases is energy is supplied in a smooth continuum where one system may predominate depending upon the intensity.

To learn more about Heart rate, refer to the link:

https://brainly.com/question/11245663