What is the significance of the presence of two sets of veins, one superficial and the other deep, in the neck and extremities?
A) There is no known significance for this phenomenon.
B) This placement is important in the regulation of the distribution of hormones in the circulation.
C) This distribution is important for regulation of body temperature.
D) These vessels have a completely different distribution and so must be located far from one another.
E) All of the answers are correct.
C) This distribution is important for regulation of body temperature.
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A) ?Diaphragm B) ?Douching C) ?Latex condom D) ?IUD
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