Vigorous exercise has been shown to burn off chemical byproducts released by the body's response to.
a. stress.
b. pathogens.
c. antigens.
d. dieting.

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity