Across
- 3. Parts together that make up organs
- 6. The organ used for hearing.
- 7. A blood vessel that carries blood toward the heart.
- 8. The organ that pumps blood throughout the body.
- 9. The organ that breaks down food.
- 12. A large organ that helps with digestion and other functions.
- 13. The control center of the body.
- 14. The red fluid pumped by the heart.
- 15. Tissue that contracts to produce movement.
Down
- 1. The organ used for seeing.
- 2. An organ that filters waste from the blood.
- 4. The body's outer covering and protective layer.
- 5. The hard, bony framework that supports the body.
- 10. A blood vessel that carries blood from the heart.
- 11. Relating to the system of nerves and the brain.
- 12. Organs essential for breathing air.