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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
What happens during an allergic reaction?
A) Immune cells attack the body's healthy cells.
B) The body mounts an immune reaction to a harmless substance.
C) Substances that were previously harmless become pathogenic.
D) The immune system overreacts to a mild pathogen.
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
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AboonaAboona
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7 years ago
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purpleberry Author
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7 years ago
Great answer!!!
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