The wave-like muscular contractions of the digestive tract are called:

The initial step in the digestion of milk in humans is carried out by

The final product of starch digestion is:

Given below are two statements:
$Statement-I$: Chymotrypsin converts proteins as well as proteoses and peptones to polypeptides.
$Statement-II$: Trypsin converts polypeptides to dipeptides.
In the light of above statements, choose the most appropriate answer from the options given below.

Which carbohydrate-splitting enzyme initiates the chemical process of digestion in the oral cavity?

Answer briefly: How does bile help in the digestion of fats?