Which Statement About Heat Exchange Is True

question 147

Multiple Choice

Which statement about heat exchange is true?

• A) Conduction is the indirect transfer of heat between two objects that are at the same temperature.
• B) Evaporation of sweat from the surface of the body warms the body.
• C) Ectotherms, but not endotherms, can change the rate of heat exchange between their bodies and the external environment by changing blood flow to the skin.
• D) Animals may lose heat by convection when they are exposed to wind with a temperature below that of their body surface.
• E) Warm blood passing close to cooler blood picks up energy from the cooler blood.

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