Thermostat of human body is present in__________?
Correct answer: D. Hypothalamus
- A. Fore brain
- B. Hind Brain
- C. Thalamus
- D. Hypothalamus
Explanation
The hypothalamus contains the body's temperature-regulating centre and compares blood temperature with a set point to coordinate heat-loss and heat-gain responses. Students may choose the thalamus because both names refer to brain regions, but the thalamus mainly relays sensory information and is not the thermostat.
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About Thermoregulation
Thermoregulation maintains body temperature through negative feedback controlled mainly by the hypothalamus. It covers vasodilation and vasoconstriction, sweating, shivering, changes in metabolic heat production and behavioural responses, while distinguishing heat loss by radiation, conduction, convection and evaporation from temperature regulation itself.
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