| A | B |
|---|
| adenoids | pharyngeal tonsils |
| alveolus | air sac in the lung |
| apex of the lung | Upper most portion of the lung. |
| base of the lung | Lower portion of the lung |
| bronchioles | Smallest branches of the bronchi |
| carbon dioxide | A gas produced by the body cells when oxygen & food combine. |
| cilia | Thin hairs attached to the mucuous membrane |
| diaphragm | muscle separating the chest and abdomen. |
| epiglottis | Lid-like piece of cartilage that covers the larynx |
| expiration | breathing out (exhale) |
| hilum (of the lung) | Midline region where the bronchi, blood vessels, and nerves enter and exit the lungs. |
| inspiration | Breathing in (inhale) |
| larynx | voice box |
| lobe | division of a lung |
| mediastinum | Begion between the lungs in the chest cavity. |
| palatine tonsil | oropharyngeal tonsil |
| paranasal sinus | One of the air cavities in the bones near the nose. |
| parietal pleura | The outer fold of pleura lying closest to the ribs and wall of the thoracic cavity |
| pharynx | throat |
| pleura | double-folded membrane surrounding each lung. |
| pleural cavity | space between the folds of the pleura. |
| trachea | windpipe |
| visceral pleura | Inner fold of pleura lying closest to the lung tissue. |
