Water in human body
By
Ms H Judit Hadnagy
Each day humans must consume a certain
amount of water to survive. This varies with age, gender, and where someone
lives. An adult male needs about 3 litre per day while an adult female needs
about 2.2 litre per day approximately. Some of this water is obtained in food.
This threshold of drinking water enables to balance water losses and
keep one’s body properly hydrated. Water is a major constituent of our
bodies and vital organs. It provides five vital functions in our body:
- Transport of nutrients Water distributes essential nutrients;
minerals, vitamins and glucose to the cells
- Chemical and metabolic reactions Water has important role in the biochemical beak- down of food
- Regulates body temperature Water has a large heat capacity, which helps limit changes in body temperature in a warm or a cold environment.
- Elimination of waste Water removes waist products, toxins from the cells to urine and faeces.
- Water acts as lubricant and shock absorber
Water is at the centre of life. This is
why nobody can live more than 3 to 5 days without any water intake.
About 63% of the human body is water. (it
depends on the age of the person)
Percent of water in human body
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