The adult human body consists of more than 60% water, and we could not live more than a few days without water. Indeed, if we have energy reserves, mainly as fat, or vitamins, we can not store water.
It is automatically eliminated, so that the composition of the various fluid compartments of the body remains within acceptable limits.
The kidney eliminates more than a liter of water each day. Yet there are other ways out: the stool and sweat. This is important in hot countries. The total amount of water removed per day and amounts on average to two liters. There are still regulatory mechanisms: when our body lacks water, is thirst, which encourages us to drink. In addition, the kidney is capable, within limits, to match our contributions, concentrating or diluting the urine, which is not the case for the sweat: so make sure to drink regularly in the country hot and at the height of summer. Depending on physical activity and climate, water needs may vary from one liter to five or six liters per day. The average to be respected is around three liters, average physical activity.
The kidney eliminates more than a liter of water each day. Yet there are other ways out: the stool and sweat. This is important in hot countries. The total amount of water removed per day and amounts on average to two liters. There are still regulatory mechanisms: when our body lacks water, is thirst, which encourages us to drink. In addition, the kidney is capable, within limits, to match our contributions, concentrating or diluting the urine, which is not the case for the sweat: so make sure to drink regularly in the country hot and at the height of summer. Depending on physical activity and climate, water needs may vary from one liter to five or six liters per day. The average to be respected is around three liters, average physical activity.
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