Vigorous exercise should provide a significant challenge to your cardiorespiratory system. select the best answer from the choices provided. t f

True

Explanation:

The vigorous exercise is a type of physical activity which is done with a great effort and energy. The intensity of exercise is more in the case of vigorous exercise. This leads to substantially high rate of heart function and rapid breathing.  

The vigorous exercise poses a challenge for the cardiovascular system as with the increase in intensity of exercise and efforts to perform the exercise the body muscles requires more amount of oxygen. The heart tries to pump more amount of blood so as to distribute oxygen along with blood to all the body parts. The muscles can only function and perform physical labor when the receive oxygen otherwise in the anaerobic condition in muscles the lactic acid will be produced which will be responsible for production of cramps and pain.

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.