Across
- 2. tiny air sacs
- 4. Organ where most nutrient absorption takes place
- 5. a cell fragment that plays an important part in forming scabs.
- 8. A muscular tube that connects the mouth to the stomach.
- 11. basic building block of life
- 13. absorbs water
- 14. liquid part of blood
Down
- 1. fights diseases
- 3. Blood cells that carry oxygen from the lungs to the body cells.
- 6. Lets us breathe
- 7. smallest blood vessel; connects arteries and veins - is where stuff is being delivered and picked-up.
- 9. located in the small intestine
- 10. blood vessel that carries blood back to the heart
- 12. large muscular sac that continues the mechanical and chemical digestion of food
- 15. blood vessel that carries blood away from the heart