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

Which of the following cells produce $HCl$?

How many pairs of salivary glands are present in human beings?

Correct the statement given below by choosing the right option shown in the bracket against it:
Pancreatic juice and bile are released through (intestine/hepato-pancreatic duct).

Which of the following gastric cells indirectly help in erythropoiesis?

Which component of saliva destroys harmful bacteria?