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Home Q & A Board Biology-Related Homework Help General Biology
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purpleberry purpleberry
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7 years ago
Which is an example of a specific line of defense against an infectious agent?
A) The skin acts as a barrier to infection by the agent.
B) Macrophages engulf the invading agent in the affected tissue.
C) Mucus membranes in the lungs trap the invading pathogens.
D) B cells stick to the invading pathogen's surface.
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
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KhoshabaKhoshaba
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7 years ago
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purpleberry Author
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7 years ago
Great answer, I've been needing this for a while Slight Smile
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