Study

All animals respire.

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  • What are these?
    Ribs
  • What's this?
    Inhale
  • What's this?
    Exhale
  • What's this?
    Diaphragm
  • Humans inhale air through _________ or _________.
    nose or mouth
  • Fish use _____ to get oxygen from the water.
    gills
  • When we exhale air, our diaphragms ________.
    move up
  • All animals __________.
    respire
  • Humans use _________ to take oxygen from the environment.
    lungs
  • Which animals in the ocean have lungs?
    Dolphins and whales
  • All animals _______ oxygen (O2) and _______ carbon dioxide (C02)
    take in - release
  • ____________ get oxygen through body surface.
    worms
  • Insects have ________ system to respire.
    tracheal