and Answers | Latest Version | 2024/2025
| Correct & Verified
Which part of the respiratory system is responsible for filtering dust and other particles from the
air?
✔✔ The nasal hairs and mucous membranes
What is the name of the inflammation of the lining of the lungs?
✔✔ Pleurisy
What is the main cause of chronic obstructive pulmonary disease (COPD)?
✔✔ Long-term exposure to harmful substances, such as cigarette smoke
What happens to carbon dioxide in the blood when a person hyperventilates?
✔✔ It decreases, leading to dizziness and tingling sensations
Which condition is caused by bacteria or viruses infecting the lungs?
✔✔ Pneumonia
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,What is the purpose of mucus in the respiratory system?
✔✔ To trap and remove foreign particles from the airways
What is the name of the opening between the vocal cords?
✔✔ The glottis
What is the main function of the alveoli?
✔✔ To exchange oxygen and carbon dioxide between the lungs and blood
Which lung is slightly smaller due to the position of the heart?
✔✔ The left lung
What is the function of the respiratory system’s capillaries?
✔✔ To facilitate gas exchange between the alveoli and blood
Which condition causes the lungs to lose their elasticity, making it difficult to exhale air?
✔✔ Emphysema
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, What happens during an allergic reaction in the respiratory system?
✔✔ The airways swell and produce excess mucus, making breathing difficult
Which respiratory condition is often caused by exposure to airborne allergens?
✔✔ Asthma
Which organ is responsible for gas exchange in the respiratory system?
✔✔ The lungs
What is the name of the tiny air sacs in the lungs where gas exchange occurs?
✔✔ Alveoli
Which muscle plays a major role in breathing by contracting and relaxing?
✔✔ The diaphragm
What happens when the diaphragm contracts?
✔✔ The lungs expand, and air is drawn in
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