Zoology 8th Edition by Stephen Miller,John Harley

تمرين 35

Hormonal regulation in higher vertebrates is based primarily on
A) the medulla oblongata and the adrenal glands.
B) the pancreas and the adrenal glands.
C) the thalamus and the pineal gland.
D) the hypothalamus and the pituitary gland.
E) the pituitary and pineal glands.