The element that is crucial to actual muscle contraction is
A) sodium.
B) potassium.
C) iron.
D) magnesium.
E) calcium.
Correct Answer:
Verified
Q22: The sliding filament model
A) supplies the energy
Q23: Which proteins are found along the surface
Q24: When a person dies, myosin cross-bridges with
Q25: Muscle fatigue is a result of
A) accumulation
Q26: During exercise, when energy from cellular respiration
Q28: A motor neuron and the muscle cells
Q29: In their action, muscles would be most
Q30: The space between the branched nerve endings
Q31: Small extensions of the muscle cell's plasma
Q32: During muscle contractions
A) the myofibrils lengthen.
B) the
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