Question

why do our hand swell and itch when the mosquito bite bite our hand​

Answer 1

Answer:

Answer:As a biting mosquito fills itself with blood, it injects saliva into your skin. Proteins in the saliva trigger a mild immune system reaction that results in the characteristic itching and bump.

Answer 2

Answer:

Chemicals in mosquito saliva prevent blood from clotting and evoke a response that causes localized redness, swelling and itching. A mosquito bite can cause a variety of reactions.

Hope this may help you..!!