Across
- 3. System that brings oxygen into the body. Gets rid of carbon dioxide
- 5. Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
- 6. System that breaks down food into smaller molecules. Absorbs these nutrients into the body.
- 8. Blood cells that carry oxygen from the lungs to the body cells.
- 10. tHe upper part of the heart
- 11. Large, flat muscle at the bottom of the chest cavity that helps with breathing
- 12. Found in the kidney, little filter that blood goes through.
Down
- 1. System that removes cellular waste from your body and controls water balance.
- 2. Airways in the lungs that lead from the bronchi to the alveoli
- 4. A blood cell that fights disease.
- 7. The lower part of the heart
- 9. The passages that direct air into the lungs
- 10. tiny sacs of lung tissue specialized for the movement of gases between air and blood
