Select | | View | Download | | 34.1 Importance of regulation of gas content in the blood | | |
| 34.2 Control of breathing | | |
| 34.3 Control of heartbeat | | |
| 34.4 Effects of exercise on breathing and cardiac output | | |
| 34.1 Importance of regulation of gas content in the blood (Bilingual) | | |
| 34.2 Control of breathing (Bilingual) | | |
| 34.3 Control of heartbeat (Bilingual) | | |
| 34.4 Effects of exercise on breathing and cardiac output (Bilingual) | | |