Across
- 4. Responds to changes in the body
- 5. Apart of the Lymphatic system
- 7. Protects body organs
- 11. Supplies blood with oxygen
- 14. Forms the external body covering
- 16. Helps bring the oxygen into the body
- 17. Integumentary system is made of this
- 19. Transports materials in the body
- 20. Regulates hormones
- 21. Female part of the endocrine system
- 22. Apart of the skeletal system
Down
- 1. Pumps the blood
- 2. Controlled by the nervous system
- 3. Produces heat
- 6. Muscular system allows these to move
- 8. Breaks down food
- 9. Helps filter the urine
- 10. Returns fluids to blood vessels
- 12. The female part that is needed for reproduction
- 13. Production of offspring
- 15. Place where the food is digested
- 18. Maintains acids