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