Question

When would our arms hair stands and why it stands???

Answer 1

Answer:

The hair on our arms stand up when we are cold because muscles just below our skin contract which pulls on our hairs causing them to stand up on end. The hairs form an insulating layer of air, which keeps us warm and maintans our constant body temerature, There for we get goosebumps when we are cold.

Explanation:

here is ur answer....

Answer 2

Answer:

Here is ur answer⤵️⤵️.

Explanation:

The hair on our arms stand up when we feel cold ....

because muscles just below our skin contract which pulls on our hairs causing them to stand up on end. The hairs form an insulating layer of air, which keeps us warm and maintans our constant body temerature, There for we get goosebumps when we are cold