| A | B |
| dyspnea | difficult or labored breathing |
| wheezing | difficult breathing wit a high pitched whistling or sighing sound |
| cheyne-stokes respiration | periods of apnea and dyspnea |
| dyspnea | difficult labored respiration |
| respiration | normal 16, range 14-20 report above 20 below 12 |
| respiration | the act of breathing |
| inhalation | inspiration, taking IN air |
| exhalation | expiration, breathing air OUT |
| apnea | NO respirations |
| Cheyne-Stokes | critically ill and dying, irregular followed by periods of not breathing |