There are two types of vitamins:

a)
fat soluble and water soluble

b)
calcium and iron

c)
protein and carbohydrates

d)
hydrogen and oxygen

What are used to respond to uncomfortable situations.

Wich technque is not recommended for use as a supporting detail

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive