Chapter 7 Vocabulary

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Across
  1. 5. assists the primary mover for a specific action at a joint.
  2. 7. synaptic connection between a motor neuron and skeletal muscle.
  3. 10. flexible end of the muscle, usually attached to a bone
  4. 11. Term for without oxygen
  5. 12. attachment site that doesn’t move during contraction
  6. 13. no relaxation period between muscle contraction
  7. 15. Protein located primarily in the striated muscles of vertebrates.
  8. 16. the muscle that provides the primary force driving the action
  9. 17. network of interconnecting rings, each surrounds a myofibril
  10. 18. first step in the breakdown of glucose to extract energy
  11. 19. Organized structures in muscle cells that have proteins actin and myosin.
Down
  1. 1. made of contractile proteins that are responsible for skeletal muscle contraction
  2. 2. chemical your body produces when cells break down carbohydrates for energy.
  3. 3. contraction in which there is no chance in length of the muscle
  4. 4. fibrous connective tissue that attaches muscle to bone
  5. 6. specialized form of endoplasmic reticulum of muscle cells
  6. 8. attachment of myosin with acting within the muscle cell
  7. 9. maintains constant tension in the muscle as the length changes.
  8. 14. single motor neuron and the multiple muscle fibers it controls.