Water (chemical formula H2O) has several functions in the body. Water is a necessity for life, so without it, the body begins to dehydrate. Going too long without water leads to coma and even death. Therefore, proper hydration keeps the body's systems working. Water is essential for waste removal, skin care, energy, body temperature regulation and joint cushioning.
Significance
Water makes up almost half of the human body weight, so it's important to keep hydrated. The amount of hydration needed is determined by pre-existing health conditions, body chemistry and physical activity. Water helps detoxify the body, shuttling metabolic waste from the cells. The oxygen elements in water play a role in energy production in the cells. Water is used to regulate body temperature, which is essential for organ function. Water is also used for moisturizing the eyes, skin, nose and mouth.
Sources
Water is in food and found in simple bottled products. It can be obtained from some foods. Plants use water for energy, so eating vegetables and fruits helps increase water consumption. Not only does the patient receive hydration from the plants, but eating these foods also provides healthy carbohydrates and vitamins.
Function
Water is not only a part of hydration, but also plays a role in energy production. When food is consumed, cells in the body absorb water molecules passively. The oxygen contained in water is used as the end product for cellular respiration, the process that creates ATP, the molecule used for body energy.
Structure
Some people know that the structure of water is two hydrogen atoms and one oxygen atom. The structure of water is also important in its function. The two hydrogen atoms in water create hydrogen bonds with other elements. These attractions form the solutions when cooking. When a patient does not like the taste of plain water, solutions with flavored water can be made. The structure of water is what allows these solutions to dissolve and form a better tasting product.
Considerations
People who are very active and do regular cardio workouts should drink more water than those who are more inactive. When the body is very active, it uses more water and sweats fluids to maintain body temperature. These fluids should be replaced. Drink plenty of water during and after activity. During hot days, the same occurs even when inactive. Ensure plenty of fluids are obtained during hot days in the sun.
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