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Question
Name the organs of the digestive system
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Solution
The alimentary canal and associated digestive glands together form the digestive system. The alimentary canal consists of the oesophagus, the stomach, the small intestine and the large intestine. The digestive glands are salivary glands present in the mouth, the liver and the pancreas. The teeth and tongue in the mouth help in food intake.
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RELATED QUESTIONS
Label the following figure of the digestive system.
A part of the human digestive system
Which of the organs performs the function in humans?
Absorption of food
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.
(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?
How is the small intestine best suited for the digestion and absorption of food?
Define the term ‘digestion’.
Name the salivary glands in our mouth?
Identify the option that indicates the correct enzyme that is secreted in location A, B and C.
Choose the odd one:
In which of the following groups of organisms, food material is broken down outside the body and absorbed?
Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
