| Select | | View | Download | | 33.1 Importance of regulation of water content | | |
| 33.2 Human urinary system | | |
| 33.3 Processes in urine formation | | |
| 33.4 Functions of the kidneys | | |
| 33.5 Kidney failure and dialysis machines | | |
| 33.1 Importance of regulation of water content (Bilingual) | | |
| 33.2 Human urinary system (Bilingual) | | |
| 33.3 Processes in urine formation (Bilingual) | | |
| 33.4 Functions of the kidneys (Bilingual) | | |
| 33.5 Kidney failure and dialysis machines (Bilingual) | | |