A low level of muscle contraction that maintains posture is called muscle
A. tone.
B. hypertrophy.
C. atrophy.
D. recruitment.
Answer: A
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Fatigue that occurs in response to extended submaximal exertion is usually due to ________ whereas fatigue to a short duration of maximal exertion involves ________.
What will be an ideal response?
In terms of blood flow, why is it important that atrial diastole occurs just as ventricular systole begins?
A. Blood is continually propelled in a forward motion down its pressure gradient. B. The atria need that time to prepare for the next contraction. C. Ventricular systole pulls the remaining 20% of blood volume from the atria. D. Blood would flow too fast otherwise.
The fiber types that are strong and flexible but resist stretching are ____ fibers
What will be an ideal response?
Genes that are passed from male to male are called
A. structural genes. B. autosomes. C. genotypes. D. polygenic. E. y-linked.