The major targets of growth hormone are .
a. The blood vessels
b. The adrenal glands
c. The liver and gall bladder
d. Bones and skeletal muscles

If you were running a marathon, which type of muscle fibers would be most useful to you? a. slow-twitch b. fast-twitch, type i a c. intermediate-twitch, type ii b d. slow-intermediate twitch, type i b select the best answer from the choices provided. a b c d