Question

How do blood vessels function to maintain body temperature on hot and cold day​

Answer 1

on a hot day they vasodillate causing a lot of blood to flow near the skin surface thus losing heat by convection while voice versa during cold Temp

Answer 2

Vasodilatation

Step-by-step explanation:

The blood vessels under your skin get wider. This increases blood flow to your skin where it is cooler — away from your warm inner body. This lets your body release heat through heat radiation.