Across
- 3. Tiny finger-shaped structures that cover the inner surface of the small intestine where digested food is absorbed
- 5. helps form a scab
- 8. lower chamber of the heart
- 9. intestine absorbs water
- 11. smallest blood vessel
- 12. Large muscular sac that continues digestion
- 13. tiny sacs of lung tissue
Down
- 1. Liquid part of blood
- 2. similar cells that perform the same function
- 4. A blood vessel that carries blood back to the heart.
- 6. organ that exchanges oxygen and carbon dioxide
- 7. blood cell Blood cells that carry oxygen
- 10. Upper chamber of the heart
- 12. intestine Where nutrients is taken up