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Esophageal Sphincter

Which of the ...

Question

Which of the following organ is responsible for the movement of food into stomach from mouth?

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Solution

Oesophagus is the muscular organ where by the means of muscular movement food is travelled through the stomach from mouth.

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Q. 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 an enzyme for digestion. The partially digested food then enters into small intestine for further digestion.
(a) What is (i) gland A (ii) substance B, and (iii) enzyme C?
(b) Name the tube D.
(c) What is the movement E known as?
(d) What are (i) F (ii) G, and (iii) H?

Q. The functions of the organs of digestion are listed below. Write the name of one organ from the lost against each phrase stomach, liver, small intestine, oesophagus, mouth, large intestine.
(a) no digestion takes place here _________________
(b) food is partly digested here in an acidic medium ________________
(c) digest and also absorbs food _______________
(d) takes food from the mouth to the stomach _______________
(e) starch is partly digested here ________________
(f) produces bile __________________

Q. Which of the following organ carries food from the mouth into the stomach?

Q. Movement of food from mouth to stomach is an active process.

The wave-like movement of the oesophagus which enables the transport of food from the mouth to stomach is called:

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