science

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Across
  1. 2. Liquid part of blood.
  2. 4. Large, flat muscle at the bottom of the chest cavity that helps with breathing.
  3. 5. Absorbs water.
  4. 7. Lower chamber of the heart.
  5. 9. A blood cell that fights diseases.
  6. 10. tiny sacs of lung tissue specialized for the movement of gases between air and blood.
  7. 13. large muscular sac that continues the mechanical and chemical digestion of food.
  8. 15. Takes blood away from the heart.
Down
  1. 1. a cell fragment plays an important part in forming scabs.
  2. 3. Organ where most nutrient absorption takes place.
  3. 6. Blood cells that carry oxygen from the lungs to the body cells.
  4. 8. A muscular tube that connects the mouth to the stomach.
  5. 11. Tiny finger shaped structures.
  6. 12. Were digestion begins.
  7. 14. Upper part of the heart.