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Biology: The Unity and Diversity o...
Biology: The Unity and Diversity o...
The main control center for maintaining mammalian body temperature is in the ___ .
- a. anterior pituitary
- b. renal cortex
- c. adrenal gland
- d. hypothalamus
Introduction: The hypothalamus is a small region in the brain located near the pituitary gland. When outside temperature declines, thermoreceptors in their skin send action potential to the hypothalamus; the brain region is responsible for thermoregulation. A signal from the hypothalamus causes vessels that deliver blood to the skin to contract, so less metabolic heat reaches the body surface.
Reasons for the correct statement:
Hypothalamus is the main center for vertebrate temperature control. It helps in maintaining mammalian body temperature.
Hence, option d. is correct.
Reasons for the incorrect statement:
Option a. is given as “anterior pituitary”. But, hypothalamus regulates body temperature not the anterior pituitary.
So, option a. is incorrect answer.
Option b. is given as “renal cortex”...
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