- Breathing takes about 1-1/3
- The intestines use about 1/2
- The lungs take about 2
- The skin uses 2
- The kidneys use 5-1/2
Your body contains from 55% to 78% water; depending on your body size.
The body requires between one and seven liters of water per day to avoid dehydration.
The amount depends on the level of activity, temperature, humidity.