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Questions and Answers
What is the function of the nostrils/nares in the respiratory system?
What is the function of the nostrils/nares in the respiratory system?
- Where the air enters during breathing (correct)
- Location of vocal cord vibrations
- Where the air exits during breathing
- Site for gas exchange
What is the function of the respiratory mucosa in the nasal cavity?
What is the function of the respiratory mucosa in the nasal cavity?
- Warms the air and traps incoming bacteria and foreign debris (correct)
- Regulates blood flow to the nose
- Filters carbon dioxide from the air
- Produces oxygen for the body
What happens to the contaminated mucus in the nasal cavity?
What happens to the contaminated mucus in the nasal cavity?
- It is expelled through the nostrils
- It is stored in the nasal cavity
- It is broken down by enzymes in the nose
- It is moved posteriorly toward the throat and swallowed (correct)
What happens to the cilia in the nasal cavity when the external environment is extremely cold?
What happens to the cilia in the nasal cavity when the external environment is extremely cold?
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What is the role of the epiglottis in the respiratory system?
What is the role of the epiglottis in the respiratory system?
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