Which one of the following choices is the best way to build muscle bulk?

a. eat a healthy, balanced diet and follow a regular fitness program.
b. use amino acid powders from a health food store.
c. eat more high protein foods.
d. avoid vegetarian diets.

the aorta is the large artery leaving the heart branches into smaller arteries, which eventually branch into capillaries.the arteries carry oxygen and nutrients away from your heart, to your body's tissues. the capillaries are small, thin blood vessels that connect the arteries and the veins. the statement that arteries carry oxygen-rich blood to capillaries is true. veins on the other hand are blood vessels that take oxygen-poor blood back to the heart.