When an insect bites,the affected area swells | vedclass

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Question

(B) When an insect bites,it injects foreign substances into the body. These substances trigger an inflammatory response,which is a part of the innate

Vedclass · Accepted Answer

Histamine and Kinins

Vedclass · Answer

(B) When an insect bites,it injects foreign substances into the body. These substances trigger an inflammatory response,which is a part of the innate immune system. The primary chemicals released or introduced that cause swelling (edema),redness,and pain at the site of the bite are Histamine and Kinins (such as bradykinin). Histamine increases the permeability of blood vessels,leading to fluid accumulation (swelling),while Kinins are potent mediators of inflammation and pain.

When an insect bites,the affected area swells. Which chemicals are likely introduced into the body?

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