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NCERT Explanation & Solutions: Noses Video Lecture | English for Class 4

	English for Class 4 20 videos\|135 docs\|46 tests

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FAQs on NCERT Explanation & Solutions: Noses Video Lecture - English for Class 4

1. What is the function of the nose in the human body?

Ans. The nose helps in the process of breathing by taking in oxygen and releasing carbon dioxide. It also plays a role in the sense of smell.

2. How does the structure of the nose aid in filtering the air we breathe?

Ans. The nose has tiny hairs called cilia and mucus to trap dust, pollen, and other particles in the air, preventing them from entering the respiratory system.

3. Can the shape and size of a person's nose affect their breathing ability?

Ans. Yes, the shape and size of the nose can impact a person's breathing ability. For example, a deviated septum or narrow nostrils can obstruct airflow and make breathing difficult.

4. Why do some people have larger or smaller noses than others?

Ans. The size and shape of a person's nose are determined by genetics, with factors such as ethnicity and family history playing a role in the variation of nose sizes among individuals.

5. How does the nose play a role in the immune system's response to foreign substances?

Ans. The nose acts as a barrier to foreign substances by producing mucus and triggering sneezing to expel irritants. It also contains immune cells that help fight off infections and allergens.

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	Oct 23, 2024 Last updated

Video Description: NCERT Explanation & Solutions: Noses for Class 4 2024 is part of English for Class 4 preparation. The notes and questions for NCERT Explanation & Solutions: Noses have been prepared according to the Class 4 exam syllabus. Information about NCERT Explanation & Solutions: Noses covers all important topics for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for NCERT Explanation & Solutions: Noses.

Introduction of NCERT Explanation & Solutions: Noses in English is available as part of our English for Class 4 for Class 4 & NCERT Explanation & Solutions: Noses in Hindi for English for Class 4 course. Download more important topics related with notes, lectures and mock test series for Class 4 Exam by signing up for free.

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Video Lecture & Questions for NCERT Explanation & Solutions: Noses Video Lecture | English for Class 4 - Class 4 full syllabus preparation | Free video for Class 4 exam to prepare for English for Class 4.

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	English for Class 4 20 videos\|135 docs\|46 tests

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