Question

What is saliva?State its role in digestion of food

Answer 1

Saliva is a fluid secreted by salivaty gland.lt contains an enzyme called Salivary amylase or ptyalin which breake down starch ,which is a complex molecule into sugar or maltose.The food is mixed with saliva during chewing.Thus saliva helps in chemical digestion of food by digesting carbohydrates


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Answer 2

"Saliva

Saliva is a body fluid that is secreted by the "salivary glands" in the food to aid in digestion.

Saliva role in digestion of food

The role of saliva in digestion is explained below, saliva helps in moistening the food and forms a substance called as bolus. The saliva contains amylase enzyme that helps in breaking down complex food substances into simple organic substances. The "amylase breaks down starch" into "maltose and dextrin" that flows down the alimentary passage for further digestion and absorption to take place "