biology

1234567891011121314
Across
  1. 3. its part is an air sac on the human body
  2. 4. used to demonstrate the lungs
  3. 8. what tube does the food go down
  4. 9. there are 13 different species in galopogus
  5. 10. there are 118 of them
  6. 11. energy is taken in
  7. 12. a substance made in the liver
  8. 13. scientific word for fat
Down
  1. 1. it is a very light metal
  2. 2. how do plant make their own food
  3. 5. energy is given out
  4. 6. part of a plant
  5. 7. what is a carbohydrate
  6. 11. Charles Darwin theory on how we became humans
  7. 14. a way of measuring how much alcohol you have