Across
- 2. Tiny finger-shaped structures that cover the inner surface of the small intestine where digested food is absorbed
- 6. upper chamber of the heart
- 7. Allows air to pass to and from lungs (windpipe)
- 9. a cell fragment that plays an important part in forming sared
- 12. large muscular sac that continues the mechanical and chemical digestion of food
- 13. lower chamber of the heart
- 15. A muscular tube that connects the mouth to the stomach.
Down
- 1. Organ where most nutrient absorption takes place
- 3. tiny sacs of lung tissue specialized for the movement of gases between air and blood
- 4. Liquid part of blood
- 5. absorbs water
- 8. A blood vessel that carries blood back to the heart.
- 10. where digestion begins
- 11. smallest blood vessel; connects arteries and veins - is where stuff is being delivered and picked-up.
- 14. Blood Cell Blood cells that carry oxygen from the lungs to the body cells.