- The mouth is the beginning of the digestive tract where food mixes with saliva. - Saliva contains salivary amylase (ptyalin). - Salivary amylase starts the digestion of starch. - Pepsin acts in the stomach, and trypsin acts in the small intestine.
Which one of the following is the first enzyme to mix with food in the digestive tract?
Asked in UPSC CDS 1 2020 · Topic: Digestive System (Enzymes of Digestion: Types, Substrates, and Products)
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