Mumps are caused due to

Given below are two statements regarding gastric glands.
$Statement-I$: Oxyntic cells secrete pepsinogen.
$Statement-II$: Chief cells secrete $HCl$.
In light of the above statements,choose the appropriate answer from the options given below.

Chief cells are found in . . . . . . .

Give the differences between the liver and the pancreas.

Pancreatic juice contains

The specific type of cells found in the liver are .......