Human Body — Chapter Summary
ICSE · Class 3 · Science
Summary of Human Body for ICSE Class 3 Science. Key concepts: Organs like the brain, The respiratory system and Deep breathing is a slow.
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Overview
Our body is made up of many parts that work together to keep us alive and healthy. Some parts we can see, like our hands and eyes, while others are inside us, like the heart and lungs. In this chapter, we learn about the important internal organs and how they function, especially the respiratory sys
Key Concepts
Organs like the brain
Organs like the brain, heart, lungs, stomach, intestines, and kidneys are located inside the body and perform vital functions. For example, the brain
The respiratory system includes the nose
The respiratory system includes the nose, windpipe, and lungs. It helps us take in oxygen and release carbon dioxide when we breathe.
Deep breathing is a slow
Deep breathing is a slow and complete inhalation followed by a slow exhalation. It helps the body take in more oxygen and relax the mind.
Air pollution happens when harmful gases
Air pollution happens when harmful gases and smoke mix with the air. It can come from factories, vehicles, and burning fuels.
Learning Objectives
- Identify and name the main internal organs of the human body.
- Understand the functions of the brain, heart, lungs, stomach, intestines, and kidneys.
- Explain how the respiratory system works during inhalation and exhalation.
- Describe the process of deep breathing and its benefits.
- Recognize the causes and effects of air pollution on human health.
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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