Biology 5090 · O Level · Human gas exchange

Human gas exchange — practice question

The table illustrates the effect of exercise on breathing rate and depth. What is the increase in the volume of air exchanged each minute after exercise, compared with at rest?

  • A$1000\,\text{cm}^3$
  • B$6000\,\text{cm}^3$
  • C$18\,000\,\text{cm}^3$
  • D$24\,000\,\text{cm}^3$

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