Regarding muscle fiber elongation,
A) many active mechanisms exist for muscle fiber elongation.
B) muscle contraction is passive; whereas, elongation is active.
C) opposing muscle movements are not a factor.
D) gravity may help lengthen a muscle fiber after elongation.
E) elastic forces are generated where a muscle fiber elongates.
D) gravity may help lengthen a muscle fiber after elongation.
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The cause of fibromyalgia is ________.
A. unknown B. acute injury C. sudden, involuntary muscle spasms D. bacterial infection
Muscle contraction moves lymph through lymphatic vessels.
Answer the following statement true (T) or false (F)
Mitochondria
A. produce ATP. B. digest food. C. store food. D. produce protein.
Sympathetic stimulation of the heart will ________.
A. increase conduction rate between the SA and AV nodes B. increase the rate of depolarization in the ventricles C. increase the strength of myocardial contraction D. All of the choices are correct.