Answer :

Final answer:

Eosinophils contain histamine which acts as an anti-histamine, combating allergic reactions and parasitic infections.


Explanation:

Eosinophils are granulocytes that have histamine in their granules. Histamine is an anti-histamine that counteracts the activities of histamines and is involved in allergic reactions. Eosinophils also contain degradative enzymes and major basic protein (MBP) which play a role in protecting against parasitic infections and allergic responses.


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