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Question
What is the role of the liver and pancreas respectively in the digestion of food?
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Solution
Answer:
1. Role of liver in the digestion of food:
This is the largest digestive gland that secretes bile juice which helps in the digestion of fat.
Bile juice is the important source of alkali for neutralising the hydrochloric acid entering the intestine from the stomach.
Bile breaks down fats into tiny droplets and this process is called emulsification.
2. Role of the pancreas in the digestion of food:
The enzymes found in pancreatic juice are:
(i) Pancreatic amylase:
Amylase is the enzyme involved in the digestion of carbohydrates such as starch.
(ii) Trypsin:
Trypsin is involved in the breakdown of proteins into smaller polypeptides or separate amino acids.
(iii) Lipase:
Lipase helps in the breakdown of emulsified fats into fatty acids.
1. Role of liver in the digestion of food:
This is the largest digestive gland that secretes bile juice which helps in the digestion of fat.
Bile juice is the important source of alkali for neutralising the hydrochloric acid entering the intestine from the stomach.
Bile breaks down fats into tiny droplets and this process is called emulsification.
2. Role of the pancreas in the digestion of food:
The enzymes found in pancreatic juice are:
(i) Pancreatic amylase:
Amylase is the enzyme involved in the digestion of carbohydrates such as starch.
(ii) Trypsin:
Trypsin is involved in the breakdown of proteins into smaller polypeptides or separate amino acids.
(iii) Lipase:
Lipase helps in the breakdown of emulsified fats into fatty acids.
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