【多选题】The physiological functions of the hypothalamus include:
A.
The hypothalamus contains many small nuclei & fiber tracts. The two major nuclei are the supraoptic & paraventricular nuclei. The cells in these two nuclei secrete the hormones vasopressin, oxytocin, antidiuretic hormone, & corticotrophin-releasing hormone. These hormones stimulate or inhibit the secretion of pituitary hormones.
B.
The hypothalamus plays a part in maintaining homeostasis in the body, regulating such things as temperature control, blood pressure & respiration.
C.
The hypothalamus is also involved in the control of autonomic functions & motor functions.
D.
It controls hunger & thirst, & the intake of food & water. It also regulates fatigue & sleep & wake cycles, as well as controlling defensive behaviors.