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Respiratory System 1
Respiratory System Vocabulary
| Term | Definition |
|---|---|
| Thin hairs attached to the mucous membrane epithelium lining the respiratory tract | cilia |
| Lower portion of the lung | base of the lung |
| Branches of the trachea leading into the lungs | 3. bronchi |
| Lymphatic tissue in the nasopharynx | adenoids |
| Tip or uppermost portion of the lung | apex of the lung |
| Breathing out (exhalation) | expiration |
| Small branches of the tubes leading into the lungs | bronchioles |
| Muscle separating the chest and abdomen | diaphragm |
| Air sac in the lung | alveolus |
| Lid-like piece of cartilage covering the larynx | epiglottis |
| Voice box | larynx |
| One of a pair of masses of lymphatic tissue in the oropharynx | palatine tonsil |
| Openings through the nose carrying air into the air passageways | nares |
| Breathing in | inspiration |
| Slit-like opening to the voice box | glottis |
| Region between the lungs in the thoracic cavity | mediastinum |
| Throat | pharynx |
| One of the air cavities in the bones near the nose | paranasal sinus |
| Division of the lung | lobe of the lung |
| Midline region where the bronchi, blood vessels, and nerves enter and exit the lungs | hilum of the lung |