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“A specific reaction of the immune system to a foreign and frequently harmless substance” is an A. inhaler. B. arthritis. C. allergy. D. asthma.

“A specific reaction of the immune system to a foreign and frequently harmless substance” is an A. inhaler. B. arthritis. C. allergy. D. asthma.
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5 votes
“A specific reaction of the immune system to a foreign and frequently harmless substance” is an

A. inhaler.

B. arthritis.

C. allergy.

D. asthma.

User Noble Eugene
by
8.7k points

1 Answer

4 votes
it should be c. allergy 
User Fileoffset
by
8.7k points
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