Question

3) a) Describe the digestion of food in the small intestine?
b) What is the role of saliva in the digestion of food?​

Answer 1

Answer:

1)Most of the digestive enzymes in the small intestine are secreted by the pancreas and enter the small intestine via the pancreatic duct. The three major classes of nutrients that undergo digestion are proteins, lipids (fats), and carbohydrates.

2)The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.

Explanation:

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Answer 2

Answer:

the complete digestion take place In small intestine it is 6m long it contains fingers like protection called Villi which increase surface area for absorption. saliva produce salivary gland which contains salivary amylase which convet complex carbohydrates into simpler carbohydrates .