Across
- 2. basic unit of life
- 4. collection of tissue specialized for one thing
- 6. lead from bronchi to alveoli
- 9. where digestion begins
- 10. takes blood to the heart
- 11. where veins and arteries meet
- 15. tube from the mouth to the stomach
Down
- 1. lower chamber of the heart
- 3. located in the small intestine and where digested food absorption takes place
- 5. takes blood away from the heart
- 7. where most food absorption takes place
- 8. upper chamber of the heart
- 12. collection of cells that do the same things
- 13. large muscular sac that continues digestion
- 14. liquid part of the blood