a
dilates to increase the amount of blood flowing
b
constrict to reduced the amount of blood flowing to the skin
c
dilate to reduce the amount of blood flowing to the skin
d
constrict to increase the amount of blood flowing to the skin
Explanation
Correct Option
bNo explanation available
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Discussions (4)
Didi2005
4 years ago
when it is cold, the body carries out vasoconstriction. Here, Blood vessels leading to the skin capillaries become narrower - they constrict - letting less blood flow through the skin and conserving heat in the body.
therefore, the right answer is B
MaxMalone
1 year ago
vaconstriction ---------contrisct+ cold
vasodilation ------------dilate+ heat
that all💯
