The normal rate of breathing when at rest is:
Domanda 342, Human Performance and Limitations - ATPL - Airline Transport Pilot license
| 12 to 20 cycles a minute |
| 60 to 100 cycles a minute |
| 32 to 40 cycles a minute |
| 25 to 30 cycles a minute |
| 12 to 20 cycles a minute |
| 60 to 100 cycles a minute |
| 32 to 40 cycles a minute |
| 25 to 30 cycles a minute |
