A) vasopressin and relaxin
B) heparin and histamine
C) heparin and calcitonin
D) serotonin and melanin
Correct Answer: B
Solution :
Mast cells are granulated wandering leucocyte cells. Their granules contain histamine which is vasodilator and heparin (anticoagulant). These take part in body defence and allergic reaction.You need to login to perform this action.
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