When Bayliss and Starling conducted experiments to
determine what caused secretion of pancreatic juice,
they
a. cut the blood supply to the upper digestive tract.
b. added acidic food to the small intestine and got
secretions of pancreatic juices.
c. cut the nerve supply to the upper digestive tract.
d. got a response from the pancreas using extracts
of cells lining the intestinal tract.
e. did all of these except “cut the blood supply to
the upper digestive tract.”
Answer: e
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