Chapter 1.5 (Biology 9)

Muscles

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Chapter topics:

  1. Muscles
  2. Muscles
  3. Why are humans good at running?
  4. Striated muscle tissue
  5. Smooth muscle tissue
  6. Cardiac muscle tissue
  7. Muscle contraction
  8. The effects of exercise on the muscular system
  9. Exercises
  10. Summary

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