Across
- 3. Cables that carry messages throughout the body
- 4. Organs that exchange oxygen and carbon dioxide
- 5. Tissues that allow movement by contracting and relaxing
- 8. A place where two or more bones meet
- 9. Largest part of the brain; controls thinking and movement
- 10. The red liquid that circulates through the body
- 13. Breaks down food for nutrients
- 15. Sends and receives signals through the body
Down
- 1. Tough tissue that connects bone to bone
- 2. Nerve cells that transmit messages
- 6. Helps rid the body of toxins and waste through fluid
- 7. Pumps blood through the body
- 11. Gas the lungs take in from the air
- 12. Color of blood cells that fight infection
- 14. Connective tissue that joins muscle to bone