Which of the following is NOT a determinant of whole-muscle tension?
A. The numbers of motor units recruited
B. The tension produced by each contracting fiber
C. The number of muscle fibers contracting
D. The proportion of the muscle fibers within each motor unit that are contracting at any given time
E. The frequency of motor neuron stimulation
Answer: D
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The peptide ________ may play a role in the positive feedback of estrogen on GnRH secretion.
Fill in the blank(s) with the appropriate word(s).
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Fill in the blank(s) with correct word
A decrease in the surface area of the respiratory membrane will cause the diffusion rate to ________.
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