Chapter 16

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Across
  1. 4. the material within the muscle cell, excluding the nucleus.
  2. 5. accumulation of lactic acid
  3. 8. ability to shorten or reduce the distance between bones at a joint.
  4. 10. part of the muscle that is attached to the fixed part of the bone.
  5. 11. the ability to responde to a stimuli; irritability.
  6. 12. part of the muscle that is attached to the movable part of the bone.
  7. 13. the muscle cell membrane
  8. 14. ability to be stretched.
  9. 17. muscles that help steady a joint.
  10. 18. ability to return to normal length when relaxed.
  11. 21. type of muscle that is involuntarily controlled by the nervous system.
  12. 22. type of muscle that makes up the heart.
Down
  1. 1. type of muscle that opens and closes to control the passage of substances.
  2. 2. muscle that provides movement in a single direction; major contributor.
  3. 3. the wasting or loss of muscle tissue resulting from disease or lack of use.
  4. 6. muscle whose action opposes that of another muscle.
  5. 7. an increase in the mass/size of a muscle.
  6. 9. chemicals released when a nerve impulse is transmitted.
  7. 15. state of partial contraction in which muscles are maintained.
  8. 16. contraction when the tension in a muscle increases, but the muscle does not shorten.
  9. 19. type of muscle that aids in body movements.
  10. 20. contraction where muscles contract and shorten.