Across
- 4. a fun guy!
- 7. finger like projections that line the wall of the small intestines
- 10. you can see through it
- 12. the monthly cycle that women get
- 13. the gooey substance inside your mouth
- 14. a large carbohydrate molecule
- 15. hard but easily broken
- 18. a variation of radiation
- 19. needed to make things happen
Down
- 1. the lowest note of a cord
- 2. unable to push waste material out of the gut
- 3. someone who studies volcanoes
- 5. the unit of energy
- 6. eject matter from your tummy
- 8. the layer of light sensitive cells at the back of the eye
- 9. a chemical used to destroy microbes on surface
- 11. an area of total shadow behind an opaque object where no light has reached
- 14. poo and wee are mixed in with this
- 16. an optical phenomenon
- 17. an organ of sight