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Chapter 2 Class 7 - Nutrition in Animals

After studying Nutrition in Plants, now we will study Nutrition in Animals. This is Chapter 2 Class 7 of the Science NCERT Book.


Chapter 2 of Class 7, Nutrition in Animals, is one of the most important and useful chapters from the perspective of Science as an overall subject. You will learn about this with the help of basic concepts, NCERT questions and extra worksheet questions prepared by the experts at Teachoo.


As you learned in the previous chapter that unlike plants, animals cannot make their own food and depend upon other animals or plants for it. This is why animals and humans are known as heterotrophs.

Firstly, you will learn about the human digestive system in detail. The Human Digestive System is made up of of the following parts -

  • Buccal Cavity
  • Food Pipe/Oesophagus
  • Stomach
  • Liver
  • Gallbladder
  • Liver
  • Large intestine
  • Small Intestine
  • Rectum
  • Anus

Secondly, you will learn about the processes of ingestion, digestion and excretion. The human and animal digestive system depends upon these 3 processes for its nutrition.

Lastly, you will learn about the nutrition process of bacteria such as amoeba and the nutrition process of ruminants such as cows.


Click on the links below to start learning the chapter


NCERT Questions

Teachoo Questions