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44 Cards in this Set
- Front
- Back
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respiration (breathing)
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occurs when oxygen is inhaled into the lungs from the air and passes into the blood and when carbon dioxide moves from the blood to the lungs and is exhaled into the air
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inhalation or inspiration
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breathing in of air
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exhalation or expiration
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breathing out of air
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external nares (nostrils)
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allow for both inspiration and expiration of air
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cilia (hairs)
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filter out dust particles in the air
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nasal cavity (right and left cavities)
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extends from the external nares to the pharynx; warms and moistens the air and provides smell
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nasal septum
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divides the nasal cavity into right and left cavities
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paranasal sinuses
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hollow spaces within the skull that lighten the skull (frontal, ethmoidal, sphenoidal, & maxillary)
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pharynx (throat)
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nasopharynx, oropharynx, laryngopharynx
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nasopharynx
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has two openings called internal nares that open into the nasal cavity and two others that open into the eustachian tube
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oropharynx
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contains the palatine tonsils and the lingual tonsils
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laryngopharynx
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opens into the larynx and esophagus
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larynx
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voice box
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Adam's apple
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a large shield of cartilage protecting inner structures
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epiglottis
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covers the opening of the larynx during swallowing so that the air passage is sealed
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glottis
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slit between the vocal cords
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trachea
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windpipe
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primary bronchi
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two branches from the trachea that lead to the lungs
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tertiary bronchi
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connect to bronchioles
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bronchial tree
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bronchial system
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paroxysmal dyspnea
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difficulty breathing of an off-and-on nature
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root (lungs)
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where the lungs connect to the body; consist of blood vessels, nerves, bronchi, and lymph vessels
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apex
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top of the lung
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base
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bottom of the lung
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right lung
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divided into three lobes: superior, middle, inferior
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left lung
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divided into two lobes: superior and inferior
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alveoli
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found inside the lungs; like tiny balloons, expanding and contracting with inspiration and expiration
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pulmonary capillaries
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surrounds the alveoli and delivers carbon dioxide to the alveoli and absorb oxygen from them
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pleural cavity
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surrounds the lungs; found in the thoracic cavity
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mediastinal cavity
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lies between the lungs and contains the heart, aorta, trachea, and esophagus
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coni/o
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dust
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oligo-
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scanty; few
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-ectasis
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dilation; stretching
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bronchodilator
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drugs used to dilate the bronchus to relieve bronchospasm
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mucolytic
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drugs used to break down thick mucus so it can be coughed up
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anoxia; hypoxia
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lack of oxygen
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pneumoconiosis
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abnormal condition of dust in the lungs; black lungs
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pneumonia
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inflammation of the lungs
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spir/o
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breathing
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thoracocentesis
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a surgical procedure to remove fluid from the pleural cavity
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-capnia
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carbon dioxide
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-phonia
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voice
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-pnea
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breathing
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eu-
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normal
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