How does the body react to a skin injury?

When skin is injured, immune cells rush to the site to remove debris, invading pathogens, and dead and damaged skin cells. A blood clot forms over the area, forming a protective scab. Skin cells manufacture new collagen and connective tissue to fill in the wound. A scar may form depending on the location and severity of the wound, how well it is cared for, and the tendency the injured person has toward scarring.

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