Across
- 1. The main function of the muscular system.
- 4. The softer interior of bone that contains many tiny holes.
- 5. An automatic movement in response to a signal
- 7. The type of muscle tissue that helps move materials through the body and can be found in the blood vessels and intestines.
- 8. Where reflex signals are processed for a quick reaction.
- 10. The part of the nervous system that includes the nerves.
- 14. Where two or more bones meet, allowing movement.
- 15. Firm and flexible connective tissue that provides padding in joints and facilitates movement.
- 18. Muscle tissue that continually contracts and relaxes to pump blood throughout the body.
- 19. The tail of a nerve cell that can be up to a meter long.
- 20. The name for a nerve cell.
- 21. The hard outer layer of bone.
- 22. The mineral stored inside our bones.
- 23. The connective tissue that connects bone to bone.
Down
- 2. An action of the nervous system that requires thought.
- 3. An action of the nervous system that does not require thought.
- 6. Connective tissue that connects muscle to bone.
- 9. The skeletal system provides ______________ to many soft, internal organs.
- 11. The type of muscle that is connected to our bones, is visible on a person's body, and helps lift heavy objects.
- 12. The main function of the central nervous system.
- 13. The part of the nervous system that includes the brain and the spinal cord.
- 16. The organ of the central nervous system where most nerve signals are processed.
- 17. The spongy substance inside bones that produces blood cells
