| AB | |
| collection that lymh organization in the nasopharynx; additionally called pharyngeal tonsils | |
| alveolus (plural: alveoli) | Air sac in the lung |
| apex of the lung | Uppermost section of the lung. Apical means pertaining come the apex. You are watching: The midline region where the bronchi, blood vessels, and nerves enter and exit the lungs is the: |
| base of the lung | lower portion of the lung |
| bronchioles | samllest branches of the bronchi |
| bronchus (plural: bronchi) | branch that the trachea (windpipe) the acts together a passageway into the waiting spaces the the lung; bronchial tube |
| carbon dioxide (CO2) | A gas created by human body cells when oxygen and food combine; exhaled with the lungs. |
| cilia | thin hair attached come the mucous membrane epithelium lining the respiratory tract tract. |
| diaphragm | muscle separating the chest and abdomen. It is the most necessary muscle for breathing. |
| epiglottis | Lid-like item of cartilage that covers the larynx. |
| exhalation | breathing the end (expiration) |
| external respiration | exchange the gases in the lungs. |
| glottis | the opening to the larynx |
| hilum (of lung) | midline an ar where the bronchi, blood vessels, and also nerves enter and also exit the lungs. Hilar means pertaining come the hilum. |
| inhalation | breathing in (inspiration) |
| internal respiration | exchange the gases in ~ the organization cells |
| larynx | voice box |
| lobes | divisions the the lungs |
| mediastinum | region in between the lung in the chest cavity. It has the trachea, heart, aorta, esophagus, and bronchial tubes |
| oxygen (O2) | Gas that pases into the bloodstream at the lungs and travels to every body cells |
| palatine tonsils | rounded masses that lymph tissue in the oropharynx (palatine method roof the the mouth) |
| paranasal sinuses | air-containing cavities in the bones near the nose. |
| parietal pleura | the outer fold that pleura lying closest to the ribs and wall of the thoracic cavity. See more: Matter Occupies Space And Has Mass, What Is Anything That Has Mass And Occupies Space |
| pharynx | throat; created of the nasopharynx, oropharynx, and also laryngopharynx |
| pleura | double-folded membrane bordering each lung |
| pleural cavity | space between the crease of the pleura |
| pulmonary parenchyma | the vital cells that the lung, those performing its main function; the air bag (alveoli) and tiny bronchioles. |
| trachea | windpipe |
| visceral pleura | the inner fold of pleura lying closest to the lung tissue |
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