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प्रश्न
Name the enzyme present in human saliva. What type of food material is digested by this enzyme?
उत्तर
Salivary amylase is present in human saliva. Starch is partially digested by this enzyme.
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संबंधित प्रश्न
Water from the undigested food is absorbed mainly in the ______.
Name the main organs of the human digestive system. Also name the associated glands.
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?
Fill in the blank.
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Write true or false for the below statement. Rewrite the false statements correctly.
The process of taking in food is called assimilation
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Sketch and label a diagram of the digestive system and describe it in your own words.
Write down the explanation.
Explain why human dentition is considered as thecodont, diphydont and heterodont.
What is digestion?
During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in the
