Substances that provoke allergies are known as
A) antigens.
B) allergens.
C) parasites.
D) bacteria.
Correct Answer:
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Q15: Influenza is highly contagious and spread via
A)
Q16: The phase of the immune response in
Q17: One of the best ways to break
Q18: All of the following are symptoms rarely
Q19: Approximately how many people die worldwide each
Q21: An infection that travels throughout the body
Q22: All of the following are considered portals
Q23: T and B cells change after contact
Q24: During this type of immune system response,
Q25: A preparation of killed or weakened pathogens
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