Respiratory

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Across
  1. 2. muscular flap tat prevents food from going down the windpipe
  2. 5. Common passage for food and
  3. 6. how types of respiration are there.
  4. 8. Trachea divides into 2 tubes called what?
  5. 9. oxygen plus what breaks down to give energy, carbon dioxide and water
Down
  1. 1. Beginning of the respiratory system.
  2. 3. is the amount you breathe in and out in one normal breath.
  3. 4. acid that is involved in anaerobic respiration.
  4. 7. when oxygen is needed to neutralize the lactic acid it is called
  5. 10. Hair like lining that traps germs,dust.