Across
- 3. the system responsible for moving blood and other nutrients around the body
- 5. organ responsible for gas exchange
- 7. the gas considered as waste
- 14. the organ where most of the water is absorbed
- 16. a tube leading from the mouth to stomach
- 17. returns blood to the heart
- 18. where the majority of food molecules are absorbed
- 19. takes blood away from the heart
- 20. end of the small intestine
Down
- 1. first part of the large intestine
- 2. end of the large intestine
- 4. the system responsible for bringing in oxygen and releasing carbon dioxide
- 6. middle of the large intestine
- 8. the system responsible for breaking down food molecules into energy
- 9. the first part of the small intestine
- 10. the place where chemical digestion and breakdown occurs
- 11. organ responsible for moving blood around the body
- 12. middle of the small intestine
- 13. the gas essential to all life
- 15. where digestion starts