Nutrition in animals (Human Digestive System)Class 7 Science (หลักสูตร)

1. What is the meaning of nutrition?
2. Write a few lines on the five steps involved in the process of nutrition in animals i.e. Ingestion, Digestion, Absorption, Assimilation, and Egestion.
3. Write a few lines on the mode of feeding of different animals.
4. Starfish is a slow-moving marine animal. Discuss.
5. The digestive system in human beings consists of two major parts. What are those parts?
6. Discuss the digestive system of human beings.
7. What happens to the food in different parts of the digestive tract?
8. Write a note on the four types of teeth.
9. What is the meaning of milk teeth?
10. What are the major reasons for tooth decay?
11. What happens if we eat in a hurry or talk/laugh while eating?

and many other important questions.