Question

Choose the correct answer from the alternatives given.
Many portions of the central nervous system exert control over the autonomic nervous system. Major control and integration of the autonomic nervous system occurs in what portion of the brain:

• A. brain stem
• B. cerebral cortex
• C. cerebellum
• D. hypothalamus

Answer 1

Answer: (D)

hypothalamus

Thirst is not brains only response to dehydration. When the body gets low on water, the hypothalamus increases the synthesis of an antidiuretic hormone called vasopressin, which is selected by the pituitary gland and travels to the kidneys.

So, the correct option is 'hypothalamus'.