Biology- Nutrition-Important Points- One Liner-Oct 2, 2017

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Biology- Nutrition- One-Liner


1-Enzymes- These are catalytic chemical substances that are secreted by digestive glands.It helps in the process of digestion.

2-Cellulose: It is a complex carbonic compound stored in the plants which are made of thousands of glucose molecules.

3-Bile Juice: It is secreted by Liver. Though there are no enzymes in it, it helps in the emulsification of fats.

4-Emulsification: It is the process in which fats materials are broken down into small globule-like forms by the action of bile juice secreted from Liver.

5-Amylase: It is a digestive enzyme secreted in the alimentary canal.

It is called Salivary amylase or ptyalin present in Saliva.

It is also present in pancreatic juice.

Amylase converts complex carbohydrates to simple ones.

6-Glucose: It is a simple carbohydrate. We obtain glucose through diet we eat. Glucose gives instant energy.

7-Lipase: It is the enzyme secreted by Stomach and pancreas. Lipase converts fats into fatty acids and glycerol.

8-Liver: It is the biggest digestive gland.

It secretes bile which helps in emulsification of fats.


The special function of Liver is to store Glucose in the form of Glycogen.

9-Pepsin: It is the enzyme present in the gastric juice. It breaks down proteins into peptones.

10-Salivary Glands: Three pairs of digestive glands present in the oral cavity are known as Salivary glands.

Salivary Glands
Salivary Glands

These glands secrete Salivary Amylase(Ptyalin) which converts complex carbohydrates to simple carbohydrates.

11-Starch: It is a form of Carbohydrate. It is synthesized by the process of Photosynthesis.

12-Pancreas: It is the most important digestive gland. It is located near the curve of the duodenum.


The pancreas secretes Trypsin, Lipase, Amylase etc.

13-Digestion: It is the process of breaking down of complex food material into simple food material, with the help of the enzymes, to get absorbed in the body.

14-Chyme: It is a soft slimy substance formed during digestion process in the stomach.

15- Alimentary Canal: It is a long tube-like structure in the human digestive system. It extends from mouth to anus.

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