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Allergies occur when the body responds to _____.a. pathogensb. normally harmless substancesc. toxinsd. all of the above
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Allergies are hypersensitive immune responses to substances that are generally not harmful to most people. Show more…
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Allergies occur when the body responds to __________. a. pathogens b. toxins c. normally harmless substances d. all of the above
Allergies occur when the immune system responds to________. a. pathogens b. toxins c. normally harmless substances d. all of the above
Substances which cause allergy are known as (a) Mutagens (b) Irritants (c) Allergens (d) Agglutinogens
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