How does regular exercise help maintain a healthy respiratory system? A. It helps cilia in the lungs eliminate mucus.
B. It helps lungs from becoming too large.
C. it helps lungs exchange gases at a slower rate.
D. It helps lungs become more efficient at gas exchange.

What exercise allows you to specify the muscles to be traineda. i sonicb. anaerobicc. isometricd. aerobic

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

Why was an analysis of mr. and mrs. stamos blood ordered? 04.02 components of blood