Muscle System

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Across
  1. 2. many skeletal muscles are attached to the ends of bones that meet at the
  2. 4. filaments that are anchored to structures called Z lines.
  3. 6. __ muscle is tissue in the walls of internal organs such as the stomach.
  4. 8. the region between 2 Z lines
  5. 11. skeletal muscles are the only muscles you are conscious about.
  6. 12. __ system consists of all the muscles of the body
  7. 15. __ muscle is tissue that is attached to bone.
Down
  1. 1. muscles can only
  2. 3. Each muscle fiber contains hundreds of organelles called __
  3. 5. cardiac muscle and smooth muscle are muscles that are not under conscious control, or __
  4. 7. If you do not use your muscles, they will get ___ and weaker.
  5. 9. __ muscle is found only in the walls of the heart.
  6. 10. __ neurons- electrical messages to nerve cells
  7. 13. skeletal muscles are attached to the skeleton by tough connective tissues called
  8. 14. the signal goes through your __ system to your muscle