what are the functions of histamine,heparin and serotonin released by the basophils?

ans soon plzz!

  Histamine acts during inflammatory response. It is also an important neurotransmitter and involved in several physiological processes.
Heparin is an anticoagulant and prevents the blood from clotting.
Serotonin is also a compound secreted by basophils and has physiological functions like increasing vascular permeability, dilating capillaries etc.

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Basophills release heparin to prevent blood clotting, histamine stimulates gastric secretion and causes dilation of capillaries, constriction of bronchial smooth muscle, and decreased blood pressure, serotonin include sleep, temperature regulation, sexual behaviour, appetite, learning, memory, endocrinal functions, anxiety, depression, moods, muscular functions as well as cardiovascular functions. 

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