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20 Cards in this Set
- Front
- Back
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Lacrimal Glands |
Glands that produce tears located in upper lateral portion of orbit |
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Respiratory mucosa |
Mucus covered membrane that lines the tubes of the respiratory tree |
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Diaphragm |
Major muscle of respiration Flat muscular sheet that separates the thorax from the abdomen |
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Visceral Pleura |
Serous Membrane that adheres to & covers the lung |
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Epiglottis |
Lid like cartilage overhanging the entrance to the larynx |
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Surfactant |
Substance covering the surface of the respiratory membrane inside the aleveolus Reduces surface tension & prevents alveoli from collapsing |
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Medulla |
Produces normal depth respirations 12-18 Where the regulatory centers are located |
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Bronchiole |
Small branch of bronchus |
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Alveolus |
Small cavity alveoli of lungs are microscopic sac like dilations of terminal bronchioles |
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Internal Respiration |
The exchange of gases that occurs between the blood & cells of the body |
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External Respiration |
Exchange of gases between air in the lungs & in the blood |
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Cellular Respiration |
Enzymes in the mitochondrial wall & matrix using oxygen to breakdown glucose & other nutrients to release energy needed for cellular work |
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Tidal Volume (TV) |
Amount of air breathed in & out with each breath |
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Vital Capacity |
Largest amount of air that can be moved in & out of the lungs in one inspiration & expiration |
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Expiratory Reserve Volume |
The amount of air that can be forcibly exhaled after expiring the tidal volume |
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Eustachian Tubes (Auditory Tubes) |
Tube that connects throat with middle ear to equalize air pressure on both sides of the eardrum |
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Respiratory Mucosa |
Mucus-covered Membrane that lines the tubes of the respiratory tree |
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Hemoglobin |
Iron-containing protein in red blood cells |
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Diaphragm |
Dome shaped muscle separating the abdominal cavity from the thoracic cavity |
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Purpose of breathing |
Air & Gas Exchange Oxygen in Carbon Dioxide out |
