Biology 0610 · IGCSE · Gas exchange in humans

Gas exchange in humans — practice question

Which route is taken by air as it enters the body?

  • Alarynx → trachea → bronchi → bronchioles → alveoli
  • Blarynx → trachea → bronchioles → bronchi → alveoli
  • Ctrachea → larynx → bronchi → alveoli → bronchioles
  • Dtrachea → larynx → bronchi → bronchioles → alveoli

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