Chapter 32 Sec 1 Skeletal Systems & Sec 2 Muscular System VOCABULARY
Across
- 1. neurotransmitter that produces an impulse in a muscle cell
- 5. tough connective tissue that connects skeletal muscles to bones
- 6. long slender skeletal muscle cells
- 9. types of connective tissue that supports the body and is softer and more flexible than bone
- 11. the bones of the arms and legs along with the bones of the pelvis and shoulder area
- 13. bone cell that helps maintain the minerals in bone tissue and continue to strengthen the
- 15. bone cell that breaks down bone minerals
- 18. soft tissue found in bone cavities
- 19. place where one bone attaches to another bone
Down
- 2. the point of contact between a motor neuron and a skeletal muscle cell
- 3. supports the central axis of the body
- 4. bone cell that secrets mineral deposits that replace the cartilage in developing bones
- 7. nerves and blood vessels running through compact bone in channels
- 8. process of bone formation during which cartilage is replaced by bone
- 10. unit of muscle contraction; composed of two z-lines and the filaments between them
- 12. thin filament of protein found in muscles
- 14. thick filament of protein found in skeletal muscle cells
- 16. tough connective tissue that holds bones together at the joint
- 17. tightly packed filament bundles found within skeletal muscle fibers