If a fair-skinned person is outside on a hot sunny day, why does his or her skin turn red?
A) The blood flow to the skin increases.
B) The number of red melanocytes in the skin increases.
C) Melanocytes increase production of red pigments.
D) Carotene production greatly increases.
E) Decreased heat causes the skin to turn red.

Question

Quizplus · Accepted Answer

When a fair-skinned person is outside on a hot sunny day, their blood vessels near the surface of the skin dilate (widen), allowing more blood to flow through. This increased blood flow causes their skin to appear red or flushed.

If a Fair-Skinned Person Is Outside on a Hot Sunny