The smooth ER that stores calcium ions in muscle fibers is

A. sarcoplasmic reticulum.
B. T tubules.
C. sarcoplasm.
D. sarcolemma.


Answer: A

Anatomy & Physiology

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Most of the posterior surface of the scapula is formed by the

A) subscapular fossa. B) glenoid cavity. C) supraspinous fossa. D) infraspinous fossa. E) supraspinous fossa.

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What will be an ideal response?

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The type of muscle fatigue known as "psychological fatigue" is the result of

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