Body systems

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Across
  1. 4. Tiny finger shaped structure that cover the inner surface of the small intestine
  2. 6. Absorbs water
  3. 7. Large muscle sac that continues the mechanical and chemical digestion.
  4. 8. The passage that direct air into lungs
  5. 10. Organ where most nutrient absorption takes place.
  6. 12. A blood cell that fights disease
  7. 14. A vessel that carries blood away from the heart.
Down
  1. 1. Blood cells that carry oxygen from lungs to body cells
  2. 2. A cell fragment that forms scabs
  3. 3. Lower chamber of the heart
  4. 5. A vessel that carries blood back to the heart
  5. 9. Smallest blood vessel; connects arteries and veins
  6. 11. Where digestion begins
  7. 13. Organ that exchanges oxygen and carbon dioxide with blood