Across
- 6. waste gas exhaled from lungs
- 9. main organ of the integumentary system
- 10. comes out of pores and keeps body cool
- 11. type of digestion involving the teeth
- 12. tube from kidney to bladder
Down
- 1. main food tube from mouth to stomach
- 2. holds urine until the body gets rid of it
- 3. filters blood and produces urea
- 4. body system that gets nutrients from food
- 5. type digestion involving stomach acid
- 7. the body system that gets rid of waste
- 8. the 1st step of the digestive system
- 13. skin responds with the nervous system