Endocrine glands are different that exocrine glands in that exocrine glands: *
A. Release hormones into the blood.
B. Secrete through ducts out onto the skin.
.
C. affect many body organs.
D. include the reproductive organs.

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.