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Cards In This Set
| Front | Back |
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What does the respiratory system do?
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Moves air into and out of the lungs.
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Lungs are the site of what?
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The exchange of oxygen and CO2 between air and blood.
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How is the respiratory system categorized?
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Upper respiratory tract
Lower respiratory tract |
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What does the upper respiratory tract consist of?
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The parts outside the chest cavity:
Air passages of nose Nasal cavities Pharynx Larynx Upper trachea |
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What does the lower respiratory tract consist of?
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The parts within the chest cavity:
Lower trachea Lungs Bronchial tubes Alveoli |
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Out of what is the nose made?
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Bone and cartilage
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What do the nasal cavities do?
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Warm and moisten the air (by the nasal mucosa).
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What's found in the upper nasal cavities?
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Olfactory receptors (detect vaporized chemicals that have been inhaled).
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What are the paranasal sinuses?
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Air cavities in the facial bones.
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What are the functions of the paranasal sinuses?
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To lighten the skull and provide resonance (vibrating air) for the voice.
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What is the pharynx?
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Muscular tube for both food and air.
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Where is the pharynx located?
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Posterior to the nasal and oral cavities.
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How is the pharynx categorized?
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Nasopharynx (behind the nasal cavities).
Oropharynx (behind the mouth). Laryngopharynx (behind the larynx). |
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What moves through the larynx?
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Just air.
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What is the larynx known as?
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Voice box.
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