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RESPIRATORY SYSTEM RESPIRATORY SYSTEM
Label the different parts of the respiratory system.
Drag the words into the right box.
Nose
Nasal
Cavity
Pharynx Larynx
Trachea Bronchi
Lung
Diaphragm
Bronchioles
Page 2


RESPIRATORY SYSTEM RESPIRATORY SYSTEM
Label the different parts of the respiratory system.
Drag the words into the right box.
Nose
Nasal
Cavity
Pharynx Larynx
Trachea Bronchi
Lung
Diaphragm
Bronchioles
RESPIRATORY SYSTEM RESPIRATORY SYSTEM
Label the different parts of the respiratory system.
Drag the words into the right box.
Nose
Nasal
Cavity
Pharynx
Larynx
Trachea
Bronchi
Lung
Diaphragm
Bronchioles

	Science for Class 4 49 videos\|156 docs\|34 tests

Science for Class 4

49 videos|156 docs|34 tests

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FAQs on Visual Worksheet: Respiratory System - Science for Class 4

1. What are the main functions of the respiratory system?

Ans. The main functions of the respiratory system include the exchange of gases (oxygen and carbon dioxide) between the body and the environment, maintaining the acid-base balance in the body, and providing a sense of smell. It also plays a role in speech production and protecting the respiratory tract from pathogens and irritants.

2. How does the respiratory system work?

Ans. The respiratory system works by inhaling air through the nose or mouth, which travels down the trachea into the lungs. In the lungs, oxygen from the air passes into the blood through tiny air sacs called alveoli, while carbon dioxide is expelled from the blood into the alveoli to be exhaled. This process is known as gas exchange.

3. What are the common diseases affecting the respiratory system?

Ans. Common diseases affecting the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), pneumonia, bronchitis, and lung cancer. These conditions can affect breathing and overall lung function, leading to various symptoms such as coughing, wheezing, and shortness of breath.

4. How can we keep our respiratory system healthy?

Ans. To keep the respiratory system healthy, it is important to avoid smoking, maintain a healthy diet, exercise regularly, and limit exposure to pollutants and allergens. Staying hydrated and practicing good hygiene, such as handwashing, can also help prevent respiratory infections.

5. What role does the diaphragm play in respiration?

Ans. The diaphragm is a dome-shaped muscle located at the base of the chest cavity, and it plays a crucial role in respiration. During inhalation, the diaphragm contracts and moves downward, creating a vacuum that allows air to flow into the lungs. During exhalation, the diaphragm relaxes, pushing air out of the lungs.

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Oct 01, 2025 Last updated

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Document Description: Visual Worksheet: Respiratory System for Class 4 2025 is part of Science for Class 4 preparation. The notes and questions for Visual Worksheet: Respiratory System have been prepared according to the Class 4 exam syllabus. Information about Visual Worksheet: Respiratory System covers topics like and Visual Worksheet: Respiratory System Example, for Class 4 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Visual Worksheet: Respiratory System.

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	Science for Class 4 49 videos\|156 docs\|34 tests

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