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9 Cards in this Set
- Front
- Back
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RESPIRATORY SYSTEM |
-consists of the lungs and air passages -responsible for taking in oxygen (O2), a gas needed by all body cells -removes carbon dioxide (CO2) |
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CILIA |
-tiny hair like structure -filter in haled air to trap dust and other particles -helps move the mucous layer that lines the airways to push trapped particles toward the esophagus, where they can be swallowed |
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PHARYNX |
-throat -lies directly behind the nasal cavity -divided into three sections |
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LARYNX |
-voice box -lies between the pharynx and the trachea -has nine layers of cartilage |
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EPIGLOTTIS |
-special leaf life piece of cartilage that closes the opening in the larynx during swallowing -prevents foods and liquids from entering the respiratory tract |
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TRACHEA |
-windpipe -a tube that extends from the larynx to the center of the chest -carries air between the pharynx and the bronchi |
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BRONCHI |
-the trachea divides into two bronchi near the center of the chest, a right bronchus, and a left bronchus -the right bronchus is shorter, wider, and extends more vertically than the left bronchus |
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BRONCHIOLES |
-small branches of the bronchi -the smallest, called terminal bronchioles |
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ALVELI |
-resembles a bunch of grapes -covered with epithelial tissue and contains a rich network of capillaries |
