If you want to train a system consider these two factors? A- Intensity (work) & Time to recover (rest)
B- Intensity (work) & Volume (how much)
C- Volume (how much) & Time to recover (rest)

How does the fitt principle apply to the development of successful personal fitness programs

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease

Someone with my pe hw i need it for tomorrow