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प्रश्न
What do you mean by the absorption of food?
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उत्तर
The absorption of food means passing the digested food products into the blood system and lymph vessels to be used further by the body for various life functions.
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संबंधित प्रश्न
Write names of different parts of human digestive system and explain functions of any three parts.
Where are proteins first digested in the alimentary canal?
(a) small intestine
(b) oesophagus
(c) mouth
(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?
Name the hormone that helps in regulating level of sugar in our blood. Name the gland that secrets it.
Last molar tooth in human beings is called ______.
Define the following term:
assimilation
Find the odd one out. Give reasons for your choice.
Correct the spellings: Carboxytipepdase
In the given histology of the alimentary canal, identify i, ii, and iii.
Select the correct pair of peptide hormones secreted by the alimentary canal.
