Which of the following statements is NOT TRUE, according to the passage
A．In the 19th century, people believed the nervous system completely controlled communication within the body and the consequent integration of behavior.
B．Starling was the first person to use hormone to refer to secretin.
C．The experiments of Bayliss and Starling led to the separation of endocrinology from other disciplines.
D．The pancreas, which secretes pancreatic juice through a duct into the bloodstream, is an exocrine gland.