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Questions and Answers
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
- Intake of carbon dioxide for cellular respiration
- Expulsion of carbon dioxide from the body
- Expulsion of oxygen from the body
- Intake of oxygen for cellular respiration (correct)
Where does the lower respiratory tract begin?
Where does the lower respiratory tract begin?
- At the nose
- At the larynx
- At the pharynx
- At the trachea (correct)
What is the function of the nasal cavity in the respiratory process?
What is the function of the nasal cavity in the respiratory process?
- To produce oxygen for respiration
- To filter oxygen before entering the lungs
- To produce mucus for breathing
- To warm and moisten air before entering the respiratory tract (correct)
What is the role of the pharynx in the respiratory system?
What is the role of the pharynx in the respiratory system?
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What is the primary function of the trachea?
What is the primary function of the trachea?
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During inhalation (inspiration), what creates a negative pressure that draws air into the lungs?
During inhalation (inspiration), what creates a negative pressure that draws air into the lungs?
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Where does oxygen from the inhaled air diffuse into the bloodstream?
Where does oxygen from the inhaled air diffuse into the bloodstream?
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What is responsible for the process of sustaining cellular respiration in various tissues and organs?
What is responsible for the process of sustaining cellular respiration in various tissues and organs?
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