Brown fat present in certain mammals is specialized in___________?
Correct answer: C. Rapid heat production.
- A. Providing insulation in cold environment.
- B. Providing insulation in hot environment
- C. Rapid heat production.
- D. Controlling heat production.Health
Explanation
Brown fat contains many mitochondria and uncoupling proteins that release energy from respiration as heat instead of storing it mainly as ATP. This allows rapid heat production during exposure to cold. Students may choose insulation because brown fat is a type of fat, but insulation is mainly provided by white fat and other body coverings.
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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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