Contraction of the papillary muscles would
A. prevent the AV valves from protruding into the atria.
B. open the semilunar valves.
C. eject blood from the ventricles.
D. close the semilunar valves.
E. cause the atria to eject their contents into the ventricles.
Answer: A
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Fill in the blank(s) with the appropriate word(s).
Sperm from the male parent determines the sex of the child
Indicate whether the statement is true or false
Answer the following statements true (T) or false (F)
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Damage of the sensory and motor roots on one side would result in loss:
A. on neither side B. on the same side in the area served by the spinal nerve only C. on the opposiste side in the area served by the spinal nerve only D. on the same side below the level damaged in the spinal cord E. on the opposite side below the level damaged in the spinal cord