EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The respiratory tract is lined with the layer of mucus constantly moved by cilia.
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true
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false
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Either A or B
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None of the above
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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. Scattered throughout the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap microorganisms.
Detailed explanation-2: -The trachea is made of rings of cartilage. It is lined with cells that produce mucus. This mucus keeps allergens, dust particles or other debris out of your lungs.
There is 1 question to complete.