Chabner Chapter 12 Word Scramble
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Term | Definition |
Adenoids | Lymphatic tissue in the nasopharynx; pharyngeal tonsils. |
Alveolus (plural: alveoli) | Air sac in the lung. |
Apex of the lung | Tip or uppermost portion of the lung. |
Base of the lung | Lower portion of the lung. |
Bronchioles | Smallest branches of the bronchi. Terminal bronchioles lead to alveolar ducts. |
Bronchus (plural: bronchi) | Brance of the trachea (windpipe) that is a passageway into the lung; bronchial tube. |
Carbon dioxide (CO2) | Gas produced by body cells when oxygen and food combine; exhaled through the lungs. |
Cilia | Thin hairs attached to the mucous membrane epithelium lining the respiratory tract. They clear bacteria and foreign substances from the lung. Cigarette smoke impairs the function of cells. |
Diaphragm | Muscle separating the chest and abdomen. It contracts and releases to make breathing possible. |
Epiglottis | Lid-like piece of cartilage that covers the larynx, preventing food from entering the larynx and trachea during swallowing. |
Expiration | Breathing out (exhalation). |
Glottis | Slit-like opening to the larynx. |
Hilum (of lung) | Midline region where the bronchi, blood vessels, and nerves enter and exit the lungs. |
Inspiration | Breathing in (inhalation). |
Larynx | Voice box; containing vocal cords. |
Lobe | Division of a lung. |
Mediastinum | Region between the lungs in the chest cavity. It contains the trachea, heart, aorta, esophagus, and bronchial tubes. |
Nares | Openings through the nose carrying air into the nasal cavities. |
Oxygen (O2) | Gas that passes into the bloodstream at the lungs and travels to all body cells. |
Palatine tonsil | One of a pair of almond-shaped masses of lymphatic tissue in the oropharynx (palatine means pertaining to the roof of the mouth). |
Paranasal sinus | One of the air cavities in the bones near the nose. |
Parietal pleura | Outer fold of pleura lying closer to the ribs and chest wall. |
Pharynx | Throat; including the nasopharynx, oropharynx, and larynxopharynx. |
Pleura | Double-folded membrane surrounding each lung. |
Pleural cavity | Space between the folds of the pleura. |
Pulmonary parenchyma | Essential part of the lung, responsible for respiration; bronchiles and alveoli. |
Respiration | Process of moving air into and out of the lungs; breathing. |
Trachea | Windpipe. |
Visceral pleura | Inner fold of pleura lying closer to the lung tissue. |
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