Body parts
Across
- 4. A specialized nerve cell that carries electrical message
- 7. A muscle that increases the angle between two bones, like your tricep when you straighten your arm.
- 8. A tissue made of fibers that contract and relax to create movement.
- 12. A muscle that pulls in the opposite direction of another muscle to create balance.
- 13. the tiny gap between two neurons
- 15. An electrical signal that travels along a neuron to deliver info
- 17. muscle Involuntary muscles that lead movement in the internal organs
Down
- 1. Includes the nerves that branch out from the CNS to all parts of the body.
- 2. A soft shock absorber at the end of bones.
- 3. Part of a neuron that gathers information
- 5. Composed of the brain and spinal cord
- 6. muscle A muscle that you can control and move by choice
- 9. To shorten or tighten a muscle, causing movement.
- 10. Armor for the heart and lungs
- 11. Strong tissue that makes the skeleton
- 13. Helmet of tissue for the brain
- 14. cord The bundle of nerves that extends from the brain down
- 16. Soft fatty tissue inside of bones