Human growth hormone (hgh) is a drug used to treat children suffering from endoctrine deficiencies. some athletes use it illegally to-
a. alter their state of mind
b. improve their performance
c. escape the pressures of life
d. relax

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

Can someone give me one specific health problem, and explain it. !

What does fi stand for in the fitt-vp principle of exercise prescription?