Replenish water scientifically, water is the cleansing agent in the body< /p>
As a transport medium for nutrients and metabolic waste in the body, water is an almost universal solvent. Water is also a cleanser in the body. It cleanses the toxins accumulated in the body. In general, water can transport nutrients throughout the body; clean garbage in the blood; dissolve minerals, glucose, amino acids, vitamins and other small molecules; participate in many chemical reactions; lubricate joints; help maintain body temperature, etc. .
60% of body weight is water. However, precisely because we are in it, people only pay attention to it when there is a lack of water in the body. In the absence of any other nutrients, people can generally survive for a considerable period of time, months or years. But without water, people can only survive for a few days. A person excretes approximately 0.473L of water a day to remove waste from the body. Therefore, in order to maintain the water balance in the body, people must supplement at least 0.473L of water a day.
The two senses of satiety and thirst control water intake. When blood becomes too thick, certain molecules and particles in the blood will draw water from the salivary glands, and the result is that you feel dry and want to drink water to quench your thirst. When the blood concentration is too high, or when the total blood volume or blood pressure is too low, the hypothalamus will generate a stimulus signal to encourage drinking.
The feeling of thirst lags behind the lack of water in the body. Slow dehydration in the body can remind people to drink water in time to prevent severe dehydration, but losing water too quickly does not. If the body loses too much water and is not replenished, it can be life-threatening. The first symptom of dehydration is thirst. At this time, the bodyApproximately 500ml of body fluid has been lost. Therefore, people should replenish a certain amount of water regularly every day instead of waiting until they are thirsty to drink water. If a person cannot replenish water in time, then when about 5% of water is lost, symptoms such as headache, fatigue, forgetfulness, and rapid heartbeat will appear. This is when the body will use most of the water in the body, including the precious water that was originally "wasted" in sweat, to maintain blood pressure and maintain life. However, due to the cessation of sweating, heat will continue to accumulate in the body, and the consequences are quite dangerous.
Through the above introduction, I think you have a certain understanding of the dangers of not replenishing water in time. I hope that you should replenish water in time, whether in daily life or when exercising, and don't wait to drink water when you are thirsty. It is necessary to replenish water at any time to maintain the water balance in the body and maintain a good physical condition.