Across
- 2. long tube where most of nutrient molecules are absorbed
- 4. supply cells with oxygen and nutrients they need to stay alive
- 5. produces bile which dissolves fat
- 7. acts as a barrier between you and the outside world
- 8. controls and coordinates everything in the body
- 9. the controls center of the nervous system,and the whole body
- 10. removal of waste from the cells and body
- 12. stores bile before entering small intestine
- 16. to make egg and sperm cells
- 17. protects the organs
- 19. contracts,pushing food in to the stomach
- 20. beat to send blood to the body
Down
- 1. allow organ and bones of the body to move
- 3. removes water from undigested food material
- 6. exchange of oxygen and carbon dioxide between the blood,air and tissues
- 11. hormone producing cells and glands
- 13. secretes hornones to control blood suger (insuling)
- 14. converts food into simpler molecules that can be use by the cells of the body
- 15. excrete carbon dioxide
- 18. breakdown of food mechanically and chemically with enzymes