Bilirubin and biliverdin are present in . . . . . . .

Which of the following is not a component of saliva?

Brunner's glands secrete

Study thoroughly the following statements and identify which of the following is/are correct and incorrect?
$I.$ Bile salt present in bile is responsible for emulsifying the fats in the small intestine.
$II.$ Sodium and potassium salts of glycocholic and taurocholic acid are bile salts.
$III.$ The $pH$ of hepatic bile is $8.6$,while the $pH$ of gall bladder bile is $7.6$ or $7.5$.
$IV.$ The flow of bile from the liver takes place through the hepatic duct,common bile duct,hepatopancreatic ampulla,and finally to the first part of the small intestine.
$V.$ Rats and horses do not require a gall bladder to store bile.
Choose the correct option.

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.

$A$: In humans,the duct of Wirsung from the pancreas combines with the bile duct before opening into the duodenum.
$R$: Blockage in the duct of Wirsung will prevent the endocrine function of the pancreas.