PATHOLOGY MCQ
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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There are tiny hairs in the respiratory system that help filter out harmful particles in the air we breathe. These hairs are called ____
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mucus
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vocal cords
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cilia
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flagella
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Explanation:
Detailed explanation-1: -The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways.
Detailed explanation-2: -Cilia are tiny hair-like structures on the surface of cells in many parts of the body, including the lungs. When they are functioning correctly, cilia beat together in a wave-like motion to move mucus, germs and other foreign particles up toward the mouth where they can be coughed or sneezed out.
Detailed explanation-3: -Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose. Inhaled air is moistened, warmed, and cleansed by the tissue that lines the nasal cavity.
There is 1 question to complete.