Biology 0610 · IGCSE · Hormones

Hormones — practice question

Which row shows the effect of the hormone adrenaline on breathing rate, pulse rate and pupil size?

  • Abreathing rate decrease; pulse rate decrease; pupil size larger
  • Bbreathing rate decrease; pulse rate increase; pupil size smaller
  • Cbreathing rate increase; pulse rate decrease; pupil size smaller
  • Dbreathing rate increase; pulse rate increase; pupil size larger

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