Biology, 06.05.2020 00:06 sosick90501

Which of the following is TRUE?
a. Glucagon is released by the beta cells of the pancreatic islets of Langerhans.
b. Bile only flows in one direction in the cystic duct.
c. Pepsinogen is converted into pepsin by hydrochloric acid.
d. Intrinsic factor is secreted by parietal cells and is necessary for vitamin K absorption in the ileum.
e. Mechanical digestion does not occur in any organs found below the diaphragm

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Which of the following is TRUE?
a. Glucagon is released by the beta cells of the pancreatic i...

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