How does inflammation the body fight off further infection?

Hello. This question is incomplete. The full question is:

"How does inflammation help the body fight off further infection?

A. Inflammation keeps harmful substances away from healthy cells.  B. Inflammation triggers the production of white blood cells.  C. Inflammation drops the pH of blood.  D. Inflammation raises the pH of blood."

A. Inflammation keeps harmful substances away from healthy cells.

Explanation:

Inflammation is a normal reaction of the immune system to an aggression in the body that must be neutralized or eliminated. It can be generated by infections of bacteria, viruses and other parasites, in addition to other factors such as heat, physical trauma and exposure to radiation and irritating chemicals.

Inflammation helps the body fight other infections because it keeps harmful substances away from healthy cells.

The inflammatory process leads the body to produce five classic signs: heat, redness (redness), tumor (swelling, edema), pain and loss of function. Heat and redness are caused by the dilation of the vessels and the increase in local blood flow leads to reddish color. Swelling arises from the release and accumulation of fluids.

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