Physical evidence that supports the sliding filament theory of muscle contraction includes
A) Increased width of the H band during contraction.
B) Decreased distance between Z lines during contraction.
C) Increased width of the I band during contraction.
D) Decreased width of the A band during contraction.
E) An increased distance between Z lines during contraction.
B) Decreased distance between Z lines during contraction.
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A bone is an organ.
Answer the following statement true (T) or false (F)
If a patient becomes dehydrated, the percentage of plasma in a centrifuged sample of his or her blood would likely
A. decrease. B. increase. C. not change.
Most limb bones are classified as what shape?
A. Short B. Flat C. Irregular D. Long E. Wide
In which area of the eye does the sharpest, most detailed, daytime vision occur?
A. Optic disc B. Ora serrata C. Macula lutea D. Fovea E. Periphery of the retina