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40 Cards in this Set
- Front
- Back
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List the organs of the respiratory system |
Nose Pharynx Larynx Trachea Bronchi Lungs/alveoli |
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What is the function of the respiratory system |
Gas exchanges between the blood and external environment (lungs) Passageways to the lungs purify, humidify, and warm the incoming air |
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What is the only externally visible part of the respiratory system |
Nose |
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How does air enter the nose |
The nostrils or nares |
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The interior of the nose consist of a ____ |
Nasal cavity divided by a nasal septum |
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Where are the olfactory receptors located |
In the mucosa on the superior surface |
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What does the rest of the nasal cavity mucosa lining do |
Moistens air Trap incoming foreign particles |
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Nasal walls have projections called ___ that do what |
Conchae Increase surface area Increase air turbulence |
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The nasal cavity is separated from the oral cavity by the ____ |
Palate |
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The anterior palate is called the ___ and I made of ___ |
Hard Bone |
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The posterior palate is called ____ and is made of ____ |
Soft Muscle |
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Cavities within bone surrounding the nasal cavity are called ____ |
Sinuses |
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Paranasal sinuses are located in what bones |
Frontal Sphenoid Ethmoid Maxillary |
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What is the function of the sinuses |
Lighten the skull Act as resonance chambers for speech Produce mucus that drains into the nasal cavity |
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____ is muscular passage from the nasal cavity to the larynx |
Pharynx |
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What are the three regions of the pharynx in order from top to bottom |
Nasopharynx-superior region behind nasal cavity Oropharynx-middle region behind the mouth Larynogopharnx-inferior region attached to the larynx |
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The ___ and ___ are common passage ways for air and foof |
Oropharynx Laryngopharyx |
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____ opens into the nasopharynx |
Pharyngotympanic tubes |
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Pharyngeal tonsils or ____ are located in the _____ |
Adenoids Nasopharynx |
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Palatine tonsils are located in the ____ |
Oropharynx |
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Lingual tonsils are found ___ |
At the base of the tongue |
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Voice box |
Larynx |
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What routs air and food into proper channels Plays a role in speech |
Larynx |
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The larynx is made of _____ |
8 rigid hyaline cartilages and a spoon shaped flap of elastic cartilage |
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What is your epiglottis |
A spoon shaped flap of elastic cartilage |
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Which structure of the larynx is the largest cartilage that protrudes anteriorly (Adams apple) |
Thyroid cartilage |
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What structure of the larynx protects the superior opening of the larynx routs food to the esophagus and air to the trachea and covers the larynx during swallowing |
Epiglottis |
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What structure of the larynx vibrates with expelled air to make sound |
Vocal folds or true vocal cords |
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What structure of the larynx is the opening between the vocal cords |
Glottis |
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Wind pipe |
Trachea |
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4 inch long tube that connects larynx and bronchi |
Trachea |
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Trachea walls are reinforced with ____ |
C shaped hyaline cartilage |
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The trachea is lined with ___ that beat continuously in the ____ of incoming air and expel __ away from the lungs |
Ciliated mucosa Opposite direction Mucus loaded with dust and other debris |
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The main bronchi is formed by ____ and enters the lung at the ____ |
Division of the trachea Hilum(medial depression) |
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The ____ bronchus is wider shorter and straighter |
Right |
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____is subdivided into smaller and smaller branches |
Bronchi |
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Apex is near the___ |
Clavicle or superior portion |
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Base rest on the _____ |
Diaphram or inferior portion |
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Each lung is divided into lobes by ____ |
Fissures |
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Left lung __ lobes Right lung __ lobes |
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