Question

1. track the progress of digestion of carbohydrates in human beings.
2. Amilyse is the first enzyme to mix with food in the digestive tract. Comment.
3. Draw a diagram depicting the human alimentary canal and label the following.
(a) part which secret bile juice.
(b) Part which secret digestive juice containing both protein and starch digestive enzymes.
(c) part which carries food down to stomach.​

Answer 1

Carbohydrates - The digestion of carbohydrates occurs in the mouth and small intestine. In the mouth, saliva mixes with the food. Saliva contains an enzyme called salivary amylase which partially digests the carbohydrate and converts it into maltose sugar. When the slightly digested food reaches into the small intestine, pancreatic amylase present in the pancreatic juice breaks down the starch. The walls of the small intestine secrete the intestinal juice which finally converts it into glucose and completes the digestion of carbohydrates

2)The salivary glands present in mouth secrete salivary amylase enzyme which digests the starch present in food into sugar. Digestion of starch or carbohydrate starts in mouth itself. Therefore, amylase is the first enzyme that helps in the process of digestion

3)a)liver

b) pancreas

c) oesophagus

Answer 2

Answer:

first one is right

Explanation:

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