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A&P CH16 key terms

A&P CH16 Respiratory System

TermDefinition
alveolus an air sac of a lung; saclike structure
bronchial tree the bronchi and their branches that carry air from the trachea to the alveoli if the lungs
carbaminohemoglobin compound formed by the union of carbon dioxide and hemoglobin
carbonic anhydrase enzyme that catalyzes the reactions between carbon dioxide and water to form carbonic acid
cellular respiration cellular process that releases energy from organic compounds
expiration expulsion of air from the lungs
glottis slit like opening between the true vocal folds or vocal cords
hemoglobin pigment of red blood cells that transports oxygen
hyperventilation abnormally deep and prolonged breathing
inspiration breathing in; inhalation
oxyhemoglobin compound formed when oxygen combines with hemoglobin
partial pressure the pressure one gas produces in a mixture of gases
pleural cavity potential space between pleural membranes
respiratory capacities value obtained by adding two or more respiratory volumes
respiratory center portion of the brainstem that controls breathing depth and rate
respiratory membrane membrane composed of a capillary wall and an alveolar wall through
respiratory volume different intensities in breathing move different volumes of air in or out of the lungs; four distinct types: tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume
surfactant substance produced by the lungs that reduces the surface tension within the alveoli
 



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