A) Plasma cells,
B) Mast cells
C) Monocytes
D) NK-cells
Correct Answer: B
Solution :
Mast cells are master regulators of immune r system that secrete histamine as a part of defence system against an infection. Histamine is involved, in inflammatory response released during allergy. Mast cells also secrete heparin (an anticoagulant) and serotonin (a neurotransmitter).You need to login to perform this action.
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