Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

The diagram presents a spirometer trace showing tidal volume and vital capacity. During moderate exercise, what happens to the volumes marked X and Y?

  • Avolume X decreases, volume Y decreases
  • Bvolume X decreases, volume Y increases
  • Cvolume X increases, volume Y decreases
  • Dvolume X increases, volume Y increases

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