Body systems

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