Question

Fill in the blank?

Antigens are any substance released by __________________________

Answer 1

Answer:

Antigens are substance released by Pathogens.....

Explanation:

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Answer 2

antigens originate from outside the body. Examples include parts of or substances produced by viruses or microorganisms (such as bacteria and protozoa), as well as substances in snake venom, certain proteins in foods, and components of serum and red blood cells from other individuals.

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