Heparin and Histamine are produced by:

ہیپرین اور ہسٹامین کس طرح تیار ہوتے ہیں

Eosinophils

Basophils

Lymphocyte

Neutrophils

Heparin and Histamine are produced by: Basophils
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During allergic reactions, basophils release two enzymes, histamine, and heparin
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Histamine, Serotonin, and Heparin are secreted by Mast Cells during allergic and inflammation reactions.
Mast Cell is also known as Mastocyte or Labrocyte.