Biology 5090 · O Level · Temperature control

Temperature control — practice question

The diagram illustrates the homeostatic regulation of body temperature. What are the corrective mechanisms P and Q, and the coordinator R?

  • AP: sweating; Q: more blood flows close to the skin surface; coordinator R: brain
  • BP: sweating; Q: more blood flows close to the skin surface; coordinator R: skin
  • CP: shivering; Q: less blood flows close to the skin surface; coordinator R: brain
  • DP: shivering; Q: less blood flows close to the skin surface; coordinator R: skin

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