Plz anyone awncer this ​

Vasoconstriction is the opposite of vasodilation. While vasodilation is the widening of your blood vessels, vasoconstriction is the narrowing of blood vessels. It's due to a contraction of muscles in the blood vessels. When vasoconstriction occurs, the blood flow to some of your body's tissues becomes restricted

Homeostasis is the maintenance of a stable internal environment.

I Hope this will help you if not then advance sorry :)

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.