Answer the following questions true (T) or false (F)

1. The return of calcium ions to the sarcoplasmic reticulum during muscle relaxation decreases the calcium ion concentration in the cytosol.

2. Creatine phosphate provides 30-40 seconds of energy for muscle activity.

3. Greater muscle tension results when muscle fibers are repeatedly stimulated.


1. TRUE
2. FALSE
3. TRUE

Anatomy & Physiology

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