Across
- 2. tiny hairs inside the lungs that help move mucus around to keep the lungs clean
- 4. the branches of the lungs that feed to the bronchoiles
- 9. breathing in and out
- 13. carries air to and from the lungs
- 14. what you see with
- 15. in the air that you breathe
- 17. one top chamber of the heart
- 18. you breathe it in but you breathe more of it out
- 20. any blood vessel that carries blood away from the heart
- 21. two top chambers of the heart
- 24. to exchange oxygen for carbon dioxide
- 25. absorbs nutrients and minerals from food
- 26. what you chew with
- 28. a membrane that expands and contacts and flattens to make us breathe
- 29. produces bile to brake down food
Down
- 1. small intestine to brake down food
- 3. left one pumps oxygenated blood around the body and the right one pumps deoxygenated blood to the lungs
- 5. pumps blood
- 6. absorbs water
- 7. what you do to live
- 8. artery that carries oxygenated blood to the body
- 10. this is where the exchange of oxygen and carbon dioxide occur
- 11. allows food or drink to pass from the mouth to the stomach
- 12. carries deoxygenated blood back to the heart
- 16. fluid that carries oxygen from the heart and delivers deoxygenated blood to the heart and lungs
- 19. what you eat with
- 22. are the smallest of the bodies blood vessels and they help to enable the exchange of oxygen and carbon dioxide
- 23. how your food enters your body
- 25. holds the food
- 27. helps build blood pressure in the heart and stops blood flowing backwards