| A | B |
| Trachea | Windpipe |
| Hemoptysis | Spitting blood |
| Diaphragm | Muscle that aids in breathing |
| Respiration | Unconscious exchange of air at the lungs |
| Rales | Crackling sounds on breathing in |
| Tachypnea | Fast breathing |
| Epiglottis | Flap of cartilage that covers the larynx |
| Epistaxis | Nosebleed |
| Phlegm | Sputum |
| Aspiration | Withdrawing fluid by a needle |
| Pulmonary embolism | Clot lodged in the lung |
| Carbon dioxide | Exhaled from lungs as waste |
| Stridor | High pitched breathing |
| Cilia | Hairs in the nose |
| Orthopnea | Breathing easier sitting upright |
| Septum | Cartilage between the nose |
| Apex | Upper portion of the lung |
| Pneumoconiosis | Dust in the lungs |
| Nares | Nose |
| Percussion | Tapping on a surface |
| Pleura | Membrane surround each lung |
| Spirometer | Instrument used to measure air in and out of lungs |
| Exhalation | Breathing out |
| Hemothorax | Blood in the pleural cavity |
| Alveoli | Tiny air sacs in the lungs |
| Auscultation | Listening to sounds within the body |
| Paranasal sinuses | Sinuses located in the nose area |
| Rhonchi | Abnormal rumbling sounds on expiration |
| Pertussis | Whooping cough |
| Respiratory rate | 16-20 breaths per minute |