Excretory Products And Their Elimination Question 34

Question: On a cold day, blood vessels in the skin:

Options:

A) Dilate, allowing blood to keep the skin warm.

B) Constrict, forcing blood to flow through vessels in the skin.

C) Constrict, reducing heat loss from blood at the surface.

D) Dilate, causing blood to pass through the cold skin more quickly.

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Reducing blood flow to the body surface will reduce heat loss.