| A | B |
|---|
| alveoli | hollow spheres of cells in the lungs where oxygen and carbon dioxide are exchanged |
| atelectasis | lungs fail to expand normally |
| cellular respiration | oxidation, use of oxygen to release energy stored in nutrient molecules |
| cilia | small hairs at the front of the nares |
| dyspnea | labored, difficult breathing |
| epiglottis | elastic cartilage which prevents food from entering the trachea |
| external respiration | exchange of oxygen and carbon dioxide between the lungs, body, and outside environment |
| glottis | space within the vocal cords of the larynxg |
| hyperpnea | increase in the depth and rate of breathing accompanied by abnormal exaggerated respiratory movements |
| hyperventilation | rapid breathing |
| internal respiration | exchange of carbon dioxide and oxygen between the cells and they lymph surrounding them |
| larynx | voice box |
| orthopnea | difficult breathing relieved by sitting position |
| oxidation | use of oxygen to release energy stored in nutrient molecules; cellular respiration |
| pharynx | throat |
| pneumothorax | buildup of air within the pleural cavity on one side of the chest |
| surfactant | lipid material covering the inner surfaces of the alveoli |
| tachypnea | abnormally rapid rate of breathing |
| trachea | windpipe |
| adenoid | lymphoid tissue in the superior part of the nasopharynx |
| bronchioles | small tubular air passageways that carry inhaled & exhaled air to and from the alveoli |
| carina | site where the trachea begins to branch (bifurcation) |
| compliance | relates to the flexibility of the lungs and the ease with which ventilation occurs |
| eustachian tube | connects the middle ear to the nasopharynx and equalizes the air pressure in the middle ear |
| laryngopharynx | most inferior portion of the pharynx |
| nasopharynx | uppermost portion of the throat which contains the opening for the eustachian tubes and adenoids |
| oropharynx | middle portion of the throat just behind the oral cavity |
