Which of the following is true regarding the parallel elastic component (PEC) of muscular elasticity?

A. This component is provided by the muscle membranes.
B. This component provides resistance when a muscle is passively stretched.
C. This is the component primarily responsible for the elasticity of muscle.
D. both A and B
E. all of the above


D. both A and B

Anatomy & Physiology

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

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Skeletal muscle fibers with the greatest endurance rely on ________ for energy.

A) lactic acid accumulation B) oxidative phosphorylation C) anaerobic glycolysis D) ketone body degradation

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Milk of magnesia is an example of a(n) _____ liquid

A) ?acid B) ?base C) ?neutral

Anatomy & Physiology

Postganglionic ________ nerves release acetylcholine.

A. somatic B. sensory C. sympathetic D. parasympathetic

Anatomy & Physiology