EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cilia
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Trachea
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Flagela
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None of the above
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Detailed explanation-1: -Mucus produced in your trachea and bronchial tubes to keep air passages moist and help catch dust, bacteria and other substances. The sweeping motion of cilia (small hairs in your respiratory tract) to keep air passages clean.
Detailed explanation-2: -Tiny hairs called cilia (pronounced: SIL-ee-uh) protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.
Detailed explanation-3: -The respiratory system is lined with a mucous membrane that secretes mucus. The mucus traps smaller particles like pollen or smoke. Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose.