The duct arising from the parotid gland and opening into the vestibule is known as:

The antibacterial enzyme present in the saliva that prevents infections is

Which of the following enzymes is manufactured by the cells of the liver?

Types of salivary glands present in rabbit are

Select the correct option:
$(1)$ The enzyme in saliva that breaks down starch is Ptyalin / Steapsin.
$(2)$ The Oxyntic cells / Peptic cells of the gastric glands secrete $HCl$.

The blood-forming factor of Castle is found in: