Muscular/Skeletal system

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Across
  1. 5. What is each muscle wrapped in?
  2. 7. What is the majority bones in the human body?
  3. 9. What is another word for cardiac muscle?
  4. 11. What is the hollow cavity within a bone?
  5. 13. What action moves around the a central axis?
  6. 14. What is a slit-type opening?
  7. 15. What muscle tissue is found in association with internal organs?
Down
  1. 1. What is the point where the motor nerve contacts a muscle fiber?
  2. 2. What is another name referred to smooth muscle.
  3. 3. What does the center of the diaphysis contain an open canal?
  4. 4. What is another word for the skull?
  5. 6. What muscle is under the control of the subconscious regions of the brain?
  6. 8. What action brings the limb into or toward a straight condition?
  7. 10. What is a bundle of parallel muscle fibers?
  8. 12. What is a shallow cavity or depression on the surface of a bone?