Question

Steve is a construction worker. He cut his hand deeply. The cut then became infected. Which line of immune defense was broken in his immune system? When Steve cut his hand, his line of defense was broken.

Answer 1

I believe the answer you are looking for is Inflammatory response

Answer 2

Answer:

When Steve cut his hand, his first line of defense was broken.

Explanation:

Your skin is your first line of immune defense.