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प्रश्न
What do you mean by nutrition?
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उत्तर
Nutrition can be defined as the process which involves the utilization of food by an animal to obtain energy for growth and development.
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संबंधित प्रश्न
Write names of different parts of human digestive system and explain functions of any three parts.
What is the function of the liver in the human digestive system?
Name the substance on which the following enzymes act in the human digestive system:
Trypsin
Describe one way in which the small intestine is adapted for the absorption of digested food.
Which part of alimentary canal receives bile from the liver?
| 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?
Study the diagram given below and then answer the question that follows:
Give the total number of the type of tooth mentioned in '1' above, in the mouth of an adult and state its function.
Answer the following question.
Write two different ways in which glucose is oxidized to provide energy in the human body. Write the products formed in each case.
Put a tick (✓) against the most appropriate alternative in the following statement.
The hardest substance in your body?
What is the role of the liver and the pancreas respectively in the digestion of food?
Write true or false for the below statement. Rewrite the false statements correctly.
The process of taking in food is called assimilation
Write true or false for the below statement. Rewrite the false statements correctly.
All the absorbed nutrients are immediately required by the body.
Mention the different types of nutrition?
State whether the following statements are True or false: Enteropeptidase activates pepsinogen into pepsin.
Mark odd one in the series:
Correct the spellings: Caceum
How do the salivary glands come to know that there is food in the mouth and it is time to secrete saliva?
Write any two functions of digestive system.
(i)______ and (ii)______ form the common bile duct.
What are villi?
