Which gland is the largest gland in the human body?

Correct the statement given below by choosing the right option shown in the bracket:
Renin is a proteolytic enzyme found in gastric juice in (infants/adults).

Which is the largest gland in the human body?

$A$: 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.

Ptyalin is an enzyme of

Describe the various components present in pancreatic juice.