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Question
Fill in the blanks.
Removal of undigested food is called ________.
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Solution
Removal of undigested food is called egestion.
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| When a person puts food in his mouth, then teeth cut it into small pieces, chew and grind it. The glands A in the mouth secrete a substance B which is mixed with the food by tongue. The substance B contains an enzyme C which starts the digestion of food in the mouth. The slightly digested food from the mouth goes down a tube D. The special type of movements E in the walls of tube D push the food into stomach for further digestion. The stomach wall secretes gastric juice containing three substance F, G and H. One of the functions of F is to kill bacteria which may enter the stomach with food. The substance G protects the inside layer of stomach from the damaging effect of substance F whereas substance H is and enzyme for digestion. The partially digested food then enters into small intestine for further digestion. |
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- What is the movement E known as?
- What are (i) F, (ii) G, and (iii) H?
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Lipase
Name the following
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Name the juice secreted by the liver.
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peristalsis; tongue pushes the food; grinding and mixing saliva; cutting and tearing of food
The question has four options. Choose the correct answer:
The number of teeth that grow only once in human is
Use your brain power!
Why do we sometimes choke suddenly while eating?
Circle the odd one.
