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    Exam 12: Muscle: Mechanisms of Contraction and Neural Control
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    The Decline in Physical Strength of Older Persons Is Due
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The Decline in Physical Strength of Older Persons Is Due

Question 63

Question 63

Multiple Choice

The decline in physical strength of older persons is due to


A) decreased size of fast-twitch fibers.
B) reduced density of blood capillaries.
C) reduced muscle mass.
D) All of the choices are correct.

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