Biology 5090 · O Level · Human gas exchange

Human gas exchange — practice question

The diagram illustrates the human gas exchange system. Which row gives the correct labelling?

  • A1 trachea, 2 larynx, 3 bronchiole, 4 bronchus
  • B1 trachea, 2 larynx, 3 bronchus, 4 bronchiole
  • C1 larynx, 2 trachea, 3 bronchiole, 4 bronchus
  • D1 larynx, 2 trachea, 3 bronchus, 4 bronchiole

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