Across
- 5. Hormone produced by the pancreas.
- 7. Connects the throat to the stomach.
- 9. A band or bundle of tissue that has the ability to contract to produce movement.
- 10. Secretes digestive enzymes.
- 12. Allows you to take in oxygen and get rid of carbon dioxide.
- 13. Delivers nutrients like oxygen to your cells.
- 15. The largest organ.
- 16. Tiny air sacs in the lungs.
- 17. They react to light and pressure.
- 18. The center of the nervous system.
Down
- 1. They absorb nutrients from what we eat and drink.
- 2. Filters the blood coming from the digestive tract.
- 3. An important energy source in living organisms.
- 4. They filter the blood.
- 6. it creates gastric acid to break down materials.
- 8. Connected together with cushions of cartilage.
- 9. The beginning of the digestive system.
- 11. Protects organs in the chest.
- 14. Pumps blood to your body.
- 15. Involved in the production and removal of blood cells