ZoologyStatement A : Basophils cells secrete histamine.Statement B : Histamine is a vasoconstrictor.

Statement A : Basophils cells secrete histamine.
Statement B : Histamine is a vasoconstrictor.

A
Both statement A and statement B are correct.
B
Both statement A and statement B are incorrect.
C
Statement A is correct but statement B is incorrect.
D
Statement B is correct but statement A is incorrect.

Solution:

Mast cells secrete histamine are especially prevalent in the connective tissue of skin and respiratory tract and in surrounding blood vessels. Histamine is a vasodilator and lower blood pressure. It is also involved in allergic reactions.