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Page 1 Respiratory System Mr. Gerlach’s 7 th Grade Health Education Page 2 Respiratory System Mr. Gerlach’s 7 th Grade Health Education Respiratory System • Defn: Brings oxygen into the body and removes carbon dioxide and other gases. Page 3 Respiratory System Mr. Gerlach’s 7 th Grade Health Education Respiratory System • Defn: Brings oxygen into the body and removes carbon dioxide and other gases. Activity on Lung Capacity ! • Who has the best lung capacity in the class? 1. Balloon activity 2. 2 liter activity Page 4 Respiratory System Mr. Gerlach’s 7 th Grade Health Education Respiratory System • Defn: Brings oxygen into the body and removes carbon dioxide and other gases. Activity on Lung Capacity ! • Who has the best lung capacity in the class? 1. Balloon activity 2. 2 liter activity Parts of the Respiratory System • Nasal Cavity – Where air enters the body • Mouth – Where air enters the body • Pharynx – Another name for the throat cavity • Larynx – Voice Box Page 5 Respiratory System Mr. Gerlach’s 7 th Grade Health Education Respiratory System • Defn: Brings oxygen into the body and removes carbon dioxide and other gases. Activity on Lung Capacity ! • Who has the best lung capacity in the class? 1. Balloon activity 2. 2 liter activity Parts of the Respiratory System • Nasal Cavity – Where air enters the body • Mouth – Where air enters the body • Pharynx – Another name for the throat cavity • Larynx – Voice Box Parts of the Respiratory System • Epiglottis – The flap of skin that covers the trachea. • Trachea – Directs air into the lungs.Read More
FAQs on Respiratory System - PowerPoint Presentation- Science, Class 7
| 1. What is the main function of the respiratory system? |  |
Ans. The main function of the respiratory system is to provide oxygen to the body and remove carbon dioxide, a waste product of metabolism.
| 2. How does the respiratory system work? | |
Ans. The respiratory system works by inhaling oxygen-rich air through the nose or mouth, which then travels down the trachea and into the lungs. In the lungs, oxygen is transferred to the bloodstream and carbon dioxide is removed. The oxygenated blood is then pumped to the body's cells, providing them with the oxygen they need.
| 3. What are the main organs of the respiratory system? | |
Ans. The main organs of the respiratory system are the nose, mouth, trachea, bronchi, and lungs. The lungs are the primary organs responsible for gas exchange.
| 4. How does smoking affect the respiratory system? | |
Ans. Smoking damages the respiratory system in several ways. It irritates the airways, causing them to become inflamed and narrow. This can lead to chronic bronchitis and emphysema. Smoking also damages the cilia, tiny hair-like structures in the airways that help remove mucus and debris. This impairs the lungs' ability to clear out harmful substances, making smokers more susceptible to respiratory infections.
| 5. How can we keep our respiratory system healthy? | |
Ans. To keep the respiratory system healthy, it is important to avoid smoking and exposure to secondhand smoke. Regular exercise can also help improve lung function. Maintaining good hygiene, such as washing hands frequently and covering the mouth and nose when coughing or sneezing, can reduce the risk of respiratory infections. Additionally, staying hydrated and getting enough rest can support overall respiratory health.
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