Question #6432563Single Choice

Biology

Question

While hiking in the woods, Emma accidentally scrapes her knee on a rock. Later, she notices redness and mild swelling around the wound. What is the first reason her skin is vulnerable to infection?

Options

Her immune system has failed to recognize the injury.

The break in her skin allows pathogens to enter her body.

The injury has permanently damaged her immune system.

Her body has stopped producing white blood cells.

Answer & Analysis

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