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30 Cards in this Set
- Front
- Back
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Respiration
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interchange in gases, such as taking in oxygen to eliminate carbon dioxide. Also known as breathing.
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inhalation
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breathing in of air, also known as insipration
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exhalation
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breathing out of air, also known as expiration.
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Respiratory system
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consists of the nose, nasal cavity, and pharynx, larynx, trachea, bronchi, and lungs.
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external nares (nostrils)
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allow both inspiration and expiration of air.
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cilia
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in the nares filter out dust particles in the air.
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nasal cavity
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extends from teh external nares to the pharynx
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nasal septum
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divides the right and left nasal cavity
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The nasal cavity warms and moistens air and provides us with our sense of smell through ______ in the lining of the nasal tract.
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olfactory neurons
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paranasal sinuses
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hollow spaces within the skull, that lighten the skull. Lined with mucus membranes
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nasopharynx
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is posterior to the nasal cavity. Contains the adenoids, or pharyngeal tonsils.
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internal nares
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open into the nasal cavity and two others that open into the eustachian tube
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oropharynx
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posterior to the oral cavity and contains the paltine 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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which swings up and down like a lid, covering the opening of the larynx during swallowing so that the air passage is sealed.
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vocal cords
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responsible for sound, are folds of mucous membrane
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glottis
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slit btween the vocal cords
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trachea
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windpipe that extends from the larynx to the bronchi.
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bronchial asthma
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in which the bronchus goes into spasm, cutting off the patient's air supply.
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paroxysmal dyspnea
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which is difficulty in breathing of an off-and-on nature.
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apex
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top of each lung
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base
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bottom of each lung
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alveoli
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like tiny balloons, expanding and contracting with inspiration and expiration
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pulmonary capillaries
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which deliver carbon dioxide to the alveoli and absorb oxygen from them. THe carbon dioxide is then expelled form the lungs, and the oxygenated blood continues on to the heart, to be pumped to the cells of the body.
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pleural cavity
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surrounds the lungs
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mediastinal cavity
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lies between the lungs and containg 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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