The contraction of gall bladder is due to

Q. The contraction of gall bladder is due to
A. Gastrin
B. Secretin
C. Cholecystokinin
D. Enterogasterone
Answer: Cholecystokinin

A. Gastrin
B. Secretin
C. Cholecystokinin
D. Enterogasterone
Answer: Cholecystokinin