ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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alveoli
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cilia
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trachea
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lungs
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Detailed explanation-1: -Overview. 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 cilia, which are microscopic hairlike projections from the surface cells, move constantly in a wavelike manner and propel the blanket of mucus down to the pharynx proper.
Detailed explanation-3: -Listen to pronunciation. (in-TES-tih-nul VIH-ly) Tiny hair-like projections that line the inside of the small intestine. They contain blood vessels and help absorb nutrients.
Detailed explanation-4: -Epithelial cells help to protect or enclose organs. Most produce mucus or other secretions. Certain types of epithelial cells have tiny hairs called cilia, which help remove foreign substances.