Across
- 2. finger-like structure that cover the inside of the small intestine where the food is digested
- 3. made of cells that all do a specific function
- 4. tiny sacs in the lung that exchange gases between the air and blood
- 6. directs air to the lungs
- 7. found in the kidney acts as a filter blood goes through
- 8. filters blood from things like urea, water, salt, and proteins
- 10. lets air pass from and to the lungs (also called windpipe)
- 11. passage in the lungs that lead from the bronchi to alveoli
- 12. basic unit of life
- 13. a muscule at the bottom of the chest that helps you breathe
- 15. carries blood away from the heart
Down
- 1. liquid part of the blood
- 2. takes blood to the heart
- 5. the lower part of the heart
- 9. muscular tube that connects the mouth and stomach
- 11. stores urine
- 14. the upper part of the heart