Chapter 32 Sec 1 Skeletal Systems & Sec 2 Muscular System VOCABULARY

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