Across
- 3. Filter and eliminate wastes from the body
- 6. Contains joints, tendons and ligaments
- 10. The largest organ of the body and contains 3 layers
- 11. The place where two or more bones connect
- 12. Main job is to fight disease and infection
- 14. Carries lymph throughout the body
- 15. Connective tissue that attaches muscle to bone.
- 18. A darkening chemical in the skin that determines skin color
- 19. This system moves blood throughout your body
Down
- 1. Breaks down your food
- 2. Controls the body with electrical signals
- 4. This system takes in oxygen and expels carbon dioxide
- 5. transport liquid pumped by the heart
- 7. Connects bone to bone
- 8. Responsible for producing egg, sperm cells and hormones
- 9. Contains glands that release hormones
- 13. replacement of body fluids lost through sweating, exhaling, and eliminating waste
- 16. The basic building block of all living things
- 17. Muscles found in the heart