Water Consumption, Daily Water Needs and Dehydration
Water is vital for human life. Our body needs water to perform many vital functions. Water accounts for 60-70% (2/3) of an adult's body weight.
Water Consumption The water that we get from the drinks and nutrients to our body through digestion; It is excreted through the digestive, respiratory systems and skin. To maintain water balance in the body, daily water intake should equal water loss. An adult person needs 2-3 liters of water per day to be supplied with food.
When water is not consumed at the rate required by the body, water balance in the body is disrupted and the body cannot fulfill its functions. A person can live for weeks without eating, but only for days without drinking water.
Daily Water Requirement
60-70% (3/2) of an adult human body weight is water. This ratio varies according to age, sex and weight. For example, the rate of water in the body of newborn babies is 75%. In the first 5 days of life, the rate of water, which decreases to 70%, gradually decreases and approaches the adult water at the end of one year. The proportion of water in men is higher than in women and the fat ones are more than the weak ones. A decrease in body water is seen with age.
Water is also taken into the body through digestion with nutrients and drinks. The water taken into the body is absorbed in the digestive system and then passes into the blood. It circulates through the bloodstream and exits the capillaries and forms the tissue fluid. After participating in some chemical reactions inside the cell, it exits again and turns into tissue fluid again. It participates in blood circulation from tissues. Through the blood circulation, an important part of it comes to the kidneys and is excreted as urine. The other part is used by the skin, respiratory and digestive system and excreted from the body.
The average daily water requirement of an adult is about 2-3 liters. The intake and excretion of water occurs in a balance. Daily fluid intake should be equal to daily fluid loss to maintain normal fluid volume in the body. Diseases occur when this balance is broken. They can live for months without eating, but they can last only a few weeks without water. There are centers and systems that regulate the water balance in the human body.
Benefits and tasks of water
Water is necessary for breathing,
Carries nutrients and oxygen to all cells,
Regulates body temperature,
Balances the volume of blood,
Helps convert food into energy,
Helps digest nutrients,
Provides the excretion of the waste substances formed as a result of metabolic activities in the cells to the excretory organs (kidney, lung, skin, digestive canal) and excretion in the body,
Water is a biological solvent and in this role it provides both the transport and dissolution of vitamins and minerals in the body,
Protects vital organs by acting as pillows,
Allows the movement of joints.
water glass
What is Dehydration?
The water taken from the body is excreted from the kidneys in the urine, lungs with respiratory air, skin through sweating and stools and intestines out of the body. To meet the body's daily loss of water, experts say that a normal person should drink 6-8 glasses of water per day.
It is stated that the results of water loss as a percentage of body weight may be:
1%: Feeling of thirst, deterioration of heat order, decreased performance
3%: Thorough deterioration of body heat order, excessive thirst,
4%: 20-30% decrease in physical performance,
5%: Headache, fatigue,
6%: Fatigue, chills,
7%: If physical activity persists, fainting,
10%: Unconsciousness,
11%: Body resistance, possible death,
12%: 97% death,
15%: 100% death.
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