The decline in muscle mass with age is due to Both a decrease in muscle fiber size and a decrease in the number of muscle fibers are correct. None of these answers is correct. a decrease in muscle fiber size. a decrease in the number of muscle fibers.

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Why do oceanic plates tend to subduction when colliding with a continental plate