chapter 9

Question or Hint Answer or Word
  1. what are the two things muscle contractions depend on? actin ; myosin
  2. the ability to receive and respond to stimuli Excitability
  3. the ability to shorten forcibly contractility
  4. the ability to recoil and resume the original resting length elasticity
  5. what maintains posture, stabilize joints, and generates heat?
  6. densely packed, rodlike contractile elements myofibrils
  7. the smallest contractile unit of a muscle sarcomere

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