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21 Cards in this Set
- Front
- Back
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Define the role of the nose |
Filter Warm Moist |
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Describe the pharynx |
Between synuses
Goes from nose to larynx |
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Describe the larynx |
Voice box
Transfers air down with a thin wall of mucus and cilia to remove foreign particles |
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Describe trachea |
Contains the epiglottis which is a flap closing when gas exchange is not in use.
Carries air down to the bronchai and has cilia to transport foreign particles out of the body |
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Describe bronchi |
Two branches that lead air to each lung |
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Describe bronchioles |
Small bronchi in the lungs that transport air in the lungs |
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Describe cilia |
Small hair like structures that move foreign particles trapped by mucus up and out of the body |
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Describe alveoli |
Site of gas exchange |
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Define tidal volume |
Amount of air moved by normal individual when breathing at rest |
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Define inspiratory reserve volume |
Extra available air during exercise |
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Define exploratory reserve |
Extra air used in deep breathing |
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What is vital capacity |
Inspiratory expiratory and tidal volume |
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Describe the plura |
Muscle between ribs and lungs surrounding each lung |
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What does the plura prevent |
Friction between lungs and ribs |
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Describe Boyles law |
P and V are inversely related |
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What does the diaphragm look like at exhale and inhale |
Exhale is round Inhale is flat |
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Define intercostal muscles |
Muscles between ribs |
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What percent of gas o and co2 do we inhale |
95% o2 5% co2 |
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Can you hold your breath for longer after hyperventilating |
Yes |
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What does smoking do to your respiratory track |
Tar sticks to mucus and is transferred down and kills cilia evuentslly attaching to lungs and making alveoli stiff |
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Define emphysema |
Decreased elasticity of bronchi
Iron lung |
