Question
Biology Question on Exchange Of Gases
Mast cells of connective tissue contain
A
Heparin and histamine
B
Heparin and calcitonin
C
Serotonin and melanin
D
Vasopressin and relaxin
Answer
Heparin and histamine
Explanation
Solution
Mast cells are present in various connective tissues, including the lungs, skin, stomach and intestinal linings, and other locations. These cells contain numerous granules that are abundant in histamine and heparin.