Human Body Systems

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Across
  1. 2. A type of blood cell that fights disease
  2. 5. A type of blood cell that transports materials around the body
  3. 7. The system that removes cellular waste out of the body & controls water balance
  4. 9. The system that takes in oxygen and removes carbon dioxide
  5. 12. The main organ in the circulatory system
  6. 13. Takes blood back to the heart
  7. 15. The smallest blood vessel that connects arteries & veins
  8. 16. Where nutrient absorption takes place
Down
  1. 1. Organ that stores urine
  2. 3. Absorbs water from food
  3. 4. The main organ of the digestive system (stores food)
  4. 6. The system that breaks down food into nutrients
  5. 8. The system that transports materials around the body
  6. 10. Takes blood away from the heart
  7. 11. Tiny structures inside the small intestine that absorbs nutrients
  8. 14. Filters waste out of blood