Starter quiz

  • Humans can’t stay underwater for too long because we need to breathe in ...
    Humans can’t stay underwater for too long because we need to breathe in ...
    • 'air' ✓
  • When we breathe in, air moves into the ...
    • brain
    • heart
    • lungs  ✓
    • stomach
  • Which part is a lung?
    Which part is a lung?
    • A
    • B
    • C  ✓
    • D
  • Which scientific word means "breathe in”?
    • exhale
    • inhale  ✓
    • respiration
  • When we breathe in, the volume of the lungs ...
    • decreases.
    • increases.  ✓
    • stays the same.
  • The lungs are not a big hollow bag, they are divided into tiny air sacs called ...
    • 'alveoli' ✓
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