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