All but one describes an effect of aging on the musculoskeletal system. a) loss of muscle tone b) bones become fragile c) increased osteoporosis d) fluid in joints builds up

Jaylen is a championship runner of the school's track team. during one of his trials, his speed was measured at 15.1 m/s. find jaylen's kinetic energy during that trial if his mass is 54.6 kg.