Which of the following statements supports the view that the endocrine system and the nervous system are closely connected structurally and functionally?
1. the posterior lobe of the pituitary is a downward growth or extension of the hypothalamus.
2. two hormones of the pituitary are actually synthesized in the hypothalamus.
3. adh release by the pituitary depends on stimulation of the hypothalamus by high blood solute levels.
4. stimulation of the mammary gland nipples or the female genitalia causes oxytocin release.
a. 1 and 2 only.
b. 2 and 4 only.
c. 1, 2, and 3 only
d. 2, 3, and 4 only.
e. 1, 2, 3, and 4