Biology 5090 · O Level · Temperature control

Temperature control — practice question

On a hot, sunny day, a swimmer gets out of a pool and sits on the side to dry off. After a few minutes, the swimmer’s skin starts to feel cold. What has caused this to happen?

  • ABody temperature drops until it reaches air temperature.
  • BMuscles and other organs stop producing heat from respiration.
  • CSunlight causes the hypothalamus to begin processes that increase heat loss.
  • DWater on the skin absorbs heat from the body and evaporates.

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