CBSE 7th class science lesson 2
This chapter explains how animals, including humans, obtain and digest food.
-
Different Modes of Feeding – Animals show different feeding habits: herbivores, carnivores, omnivores.
-
Steps in Nutrition in Humans:
-
Ingestion – Taking in food
-
Digestion – Breaking down food
-
Absorption – Nutrients enter blood
-
Assimilation – Use of nutrients by body
-
Egestion – Removal of waste
-
-
Human Digestive System:
Includes mouth, oesophagus, stomach, small intestine, large intestine, rectum, and anus. Each part has a specific function in digestion.
Role of Enzymes: Enzymes help in breaking down food into simpler substances.
Animals have different ways of obtaining and digesting food, but all follow basic steps like ingestion, digestion, absorption, and egestion.
Related Questions
Trending Articles/News
