List the optimal frequency, intensity, and duration of exercise needed to achieve an increase in cardiorespiratory function.

Explanation:

The Frequency of cardiorespiratory exercise depends upon the fitness level of an individual. A fit person can perform the exercise for a longer duration while an unfit person finds it difficult to do so.

Frequency i.e. no of the session is two for unfit and four for a fit person.

A fit person can do more vigorous exercise while the intensity is lower for an unfit person.

The cumulative result of this exercise should be such that an individual losses 200-300 kcal.

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