Lungs. Test yourself

What moves down when you breathe in?

Why doesn't the windpipe squash shut? Is it held by hard rings, by muscles or by glue?

What do you breathe out?

How many times a minute do you breathe in? 2, 20 or 200?

What sweeps the dust out of the windpipe? Cilia, teeth or blood?

  • Skin
  • Skeleton
  • Skull
  • Spine
  • Ribs
  • Muscles
  • Blood vessels
  • Spinal cord
  • Nerves
  • Kidneys
  • Spleen
  • Pancreas
  • Oesophagus
  • Large intestine
  • Appendix
  • Small intestine
  • Bladder
  • Stomach
  • Liver
  • Gallbladder
  • Diaphragm
  • Lungs
  • Windpipe
  • Heart
  • Blood
  • Brain
  • Eyes
  • Ears
  • Nose
  • Mouth, teeth and tongue
  • Journeys: Heart Test yourself
  • Journeys: Brain Test yourself
  • Journeys: Skin Test yourself
  • Journeys: Stomach Test yourself
  • Journeys: Lungs Test yourself
  • Journeys: Eyes Test yourself
  • Journeys: Skeleton Test yourself
  • Journeys: Muscles Test yourself
  • Journeys: Liver Test yourself
  • Journeys: Blood Test yourself