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प्रश्न
Name the salivary glands in our mouth?
उत्तर
The three parts of salivary glands in our mouth are parotid, sublingual and submandibular glands.
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संबंधित प्रश्न
Why do we get instant energy from glucose?
Which part of alimentary canal receives bile from the liver?
(a) oesophagus
(b) small intestine
(c) stomach
(d) large intestine
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?
Explain the process of digestion of food in mouth, stomach and small intestine in human body.
Write one function each of the following enzymes:
Pepsin
Write one function each of the following enzymes:
Lipase
Put a tick (✓) against the most appropriate alternative in the following statement.
The teeth which help in tearing the food are the:
Correct the spellings: Pespin
Breakdown of food into smaller molecules in our body is known as
What happens when we swallow our food?
