Body systems

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Across
  1. 5. the immune system relies on
  2. 6. the lymphatic system collects
  3. 9. produce female hormones
  4. 11. the passage of undigested material out of the digestive compartment
  5. 12. the female reproductive system produces what
  6. 13. adaptive immunity can take ____ to develop
  7. 17. absorbs nutrients and water from food
  8. 18. the male reproductive system produces what
  9. 19. used by the immune system to attack invaders
  10. 20. where the food enters
  11. 21. the act of eating
Down
  1. 1. main organ of digestion
  2. 2. further absorbs water from food
  3. 3. channels food to the stomach
  4. 4. the uptake of nutrients by body cells
  5. 7. the throat region
  6. 8. what has two types of active immunity?
  7. 10. the period of children becoming capable of reproduction
  8. 14. the immune system fights off what
  9. 15. breaking down food into molecules small enough to absorb
  10. 16. type of white blood cell