science

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Across
  1. 2. have feathers and wings
  2. 3. you have 206 of these in your body
  3. 5. cold blooded animal
  4. 8. has a large marsupial
  5. 11. transports air from the nose and mouth to the lungs
Down
  1. 1. filters water and salt out of your blood and creates urine
  2. 3. what is more active when you're asleep then awake
  3. 4. longest and biggest bone
  4. 6. the place where two bones meet together
  5. 7. warm blooded animal
  6. 9. have gills and scales
  7. 10. flying mammal