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प्रश्न
Fill in the blanks.
Removal of undigested food is called ________.
उत्तर
Removal of undigested food is called egestion.
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संबंधित प्रश्न
In human digestive system, bile is secreted by:
(a) pancreas
(b) liver
(c) kidneys
(d) stomach
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?
Why is there no enzyme to digest vitamins?
Write one function each of the following enzymes:
Lipase
Write true or false for the below statement. Rewrite the false statements correctly.
Absorption of food takes place in small intestine
Write short answers
Define homodont dentition.
The question has four options. Choose the correct answer:
Uvula can close the opening of
Name the organs of the digestive system
Write down the explanation.
Explain why human dentition is considered as thecodont, diphydont and heterodont.
In which part of the alimentary canal food is finally digested?
