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warms, moistens, & filters air as it is inhaled |
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passageway for air, leads to trachea |
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the voice box, where vocal chords are located |
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tube from pharynx
to bronchi
rings of cartilage provide structure, keeps the windpipe "open" trachea is lined with fine hairs called cilia which filter air before it reaches the lungs |
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two branches at the end of the trachea, each lead to a lung |
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a network of smaller branches leading from the bronchi into the lung tissue & ultimately to air sacs |
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the functional respiratory units in the lung where gases (oxygen & carbon dioxide) are exchanged (enter & exit the blood stream) |
