Answer:
Option (C).
Step-by-step explanation:
Cardiorespiratory fitness may be defined as the ability of the respiratory and circulatory system to provide oxygen during physical activity. The proper amount of oxygen is required in the skeletal muscles.
Regular exercises are important as they increase the blood flow with each stroke. Different assessments provide clear and complete picture of the individual's fitness level. A single assessment provide the fitness of a specific organ but different assessment includes the functioning of different organs of the body.
Thus, the correct answer is option (C).