Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber
A) lengthens.
B) shortens.
C) strengthens.
D) weakens.
E) pulls from the middle.
B) shortens.
Anatomy & Physiology
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A. Acetylcholine B. Epinephrine C. Endorphins D. Serotonin
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Fill in the blank(s) with correct word
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Answer the following statement true (T) or false (F)
Anatomy & Physiology