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