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प्रश्न
Explain the various steps of nutrition in animals.
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उत्तर
The various steps of nutrition in animals are:
- Ingestion: The process of taking in of food into the body is called ingestion. Ingestion of food in humans is done with the help of the buccal cavity.
- Digestion: The process where conversion of food into soluble form occurs.
- Absorption: The nutrients from the digested food are absorbed in the small intestine with the help of finger-like projections called villi.
- Assimilation: The absorbed nutrients are transported via the blood vessels to the different organs, to be utilised for different life processes.
- Egestion: The process of removal of faecal matter through the anus is called egestion.
संबंधित प्रश्न
Distinguish between the following:
Autotrophs and Heterotrophs
______ is a type of junk food.
Why do living organisms need nutrition?
Very Short Answer Type Questions:
Which type of food is called body-building food?
Very Short Answer Type Questions:
Name two food items which provide fats.
Short Answer Type Questions:
Write the functions of water in our body.
Expulsion of undigested food by a voluntary process taking places through the anal opening is called ______.
Fill in the blanks of the paragraph given below with the words provided in the box.
| chlorophyll, energy, food, carbon dioxide, water, photosynthesis |
Leaves have a green pigment called ___(a)___ which captures ___(b)___ from sunlight. This ___(c)___ is used in the process of ___(d)___ and along with other raw materials like ___(e)___ and ___(f)___ synthesize ___(f)___.
Which of the following food items does not provide any nutrient?
______ is stored in our liver and muscles.
