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प्रश्न
Define digestion.
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उत्तर
It is the breaking down of complex insoluble food components into simple soluble substances.
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संबंधित प्रश्न
Fill in the blank and rewrite the completed statement:
.................... is the largest gland in the body.
What is the role of saliva in the digestion of food?
| When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
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The ______ and ______ are used for crushing and grinding the food.
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Describe the following: Coagulation of milk in the digestive system.
Describe the following: Emulsification
Correct the spellings: Caceum
Correct the spellings: Pespin
The question has four options. Choose the correct answer:
The organ that stores bile is
The question has four options. Choose the correct answer:
Stomach in vertebrates is the chief site of digestion of
The process of digestion starts from the ______.
Give a reason.
Food becomes acidic in the stomach.
How do we know that we are hungry and that we should now eat?
Which option represents the CORRECT sequence of digestive organs between the mouth and the anus?
The passage of food into the stomach is controlled by the ______.
Explain the role of the mouth in digestion of food.
Name the correct substrates for the following enzymes
- Trypsin
- Amylase
- Pepsin
- Lipase
Mucosa forms __a__ in stomach and ___b___ in intestine respectively.
