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Good evening dear Dr. my question? Please tell total water is need in human body in a 24 hours.
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Dear lybrate user normal average daily requirement vary due to physical exercise. Weather condition. Fever. Etc. Given all normal average condition we can safely say that 2 litres per day is ok. It may rise up to 3 to 4 litres or even more under different situations as expressed above. All depend on degree of daily loss of water from the body in the form of sweating + urine and stool outputs. Our brain has a mechanism wherein some specialized cells in the hypothalamus called osmoreceptors will get stimulated when there is loss of fluid and it gives away signals of thirst forcing the person to drink more.
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