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36.2 The Muscular System<br />
Myosin<br />Protein that makes up thick filaments in striations in skeletal muscle cells.<br />
Actin<br />Protein that mainly makes up the thin filaments in striations in skeletal muscle cells.<br />
Neuromuscular Junction<br />Point of contact between a motor neuron and a skeletal muscle cell.<br />
Acetylcholine<br />Neurotransm-itterthat diffuses across a synapse and produces an impulse in the cell membrane of a muscl...
Tendon<br />Tough connective tissue that joins skeletal muscles to bones.<br />
Key Concept<br />There are three different types of muscle tissue: skeletal, smooth, and cardiac.<br />
Key Concept<br />A muscle contracts when the thin filaments in the muscle fiber slide over the thick filaments.<br />
Key Concept<br />Regular exercise is important in maintaining muscular strength and flexibility. <br />
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Biology 36.2

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Biology 36.2

  1. 1. 36.2 The Muscular System<br />
  2. 2. Myosin<br />Protein that makes up thick filaments in striations in skeletal muscle cells.<br />
  3. 3. Actin<br />Protein that mainly makes up the thin filaments in striations in skeletal muscle cells.<br />
  4. 4. Neuromuscular Junction<br />Point of contact between a motor neuron and a skeletal muscle cell.<br />
  5. 5. Acetylcholine<br />Neurotransm-itterthat diffuses across a synapse and produces an impulse in the cell membrane of a muscle cell.<br />
  6. 6. Tendon<br />Tough connective tissue that joins skeletal muscles to bones.<br />
  7. 7. Key Concept<br />There are three different types of muscle tissue: skeletal, smooth, and cardiac.<br />
  8. 8. Key Concept<br />A muscle contracts when the thin filaments in the muscle fiber slide over the thick filaments.<br />
  9. 9. Key Concept<br />Regular exercise is important in maintaining muscular strength and flexibility. <br />

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