Across
- 2. What system includes the epidermis, hypodermis, and dermis
- 4. what organ is like the nucleus of a cell
- 5. what system gets nutrients out of food
- 9. What organ pumps blood around the body
- 10. what system exchanges gases with the environment around the body
- 13. what is your first line of defense against sickness
- 14. what system sends out chemical messages to the body
- 15. what system includes the bones, cartilage, and ligaments
Down
- 1. what system controls everything in your body
- 3. what system protects your body from foreign invaders
- 6. What system includes the muscles and tendons
- 7. what is the outermost layer of skin
- 8. what system gets rid of wastes
- 11. what system helps reproduce
- 12. What System includes the heart, blood vessels and veins
