Adrenal Cortex
Regulates salt and carbohydrates, metabolism; secretes steroids.
Adrenal Medulla
Prepares body for action; secretes adrenaline and noradrenaline.
Gonads
Affects reproductive organs, sexual behavior, and physical development; secretes estrogen, progesterone, and testosterone.
Hypothalamus
Controls the pituitary (part brain/part gland; produces neurotransmitters); secretes neurosecretions.
Pancreas
Regulates sugar metabolism; secretes insulin and glucagen.
Pituitary Gland
Master gland; controls growth and other glands; secretes thyrotropin, oxytocin, and coritcotrophin.
Thyroid Gland
Regulates metabolism; secretes thyroxin and calcitonin.