Question
Biology Question on Animal Tissues
Mast cells secrete-
A
Haemoglobin
B
Hippurin
C
Myoglobin
D
Histamine
Answer
Histamine
Explanation
Solution
Mast cells are granulated wandering cells that are found in connective tissue. Their granules contain histamine which is a vasodilator. It causes running nose, sneezing and itching; and narrows the airways in the lungs. Haemoglobin and myoglobin are the pigments present in the blood and muscles respectively.