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1 answer-answer time: 2017101October 6th.
[Best answer] The physiological effects of water on human body are as follows: 1. Water participates in the whole process of human metabolism and has strong solubility. ...
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The role of water in human body
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Answer: There are three main effects of water on human body: 1. It plays an important role in human tissues. The water in the human body is collectively called body fluid, which is concentrated in cells. ...
2065438+May 6 1 1
Publication date: April 20 13 10.
Water plays an important role in human health. Water ... the water needed by human body is first obtained from drinking water, and then from food. ...
Page 1 Published: 2065438+April 29, 2008
If it helps you, you can buy a reward. Thank you. What benefits does water have for human body? Lead: We have often heard a saying since childhood: "Drinking more water is good for your health. ...
Water knows the answer _ Baidu Encyclopedia
Introduction: Water Know the Answer is a book published by Nanhai Publishing Company in Jiang Bensheng in 2009. The author of this book uses 122 water crystal photos to suggest that water not only has its own joys and sorrows, but also can perceive human feelings.
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Baidu Encyclopedia 2065438+June 7, 2008
What is the importance of water for metabolism? The most important thing is that water can regulate body temperature and keep it constant. ...
April 23, 1965 438+07
What effect does water have on human health? Water is the source of life. Man's demand for water is second only to oxygen. If people don't take certain vitamins (vitamin food) ...
2065438+March 2, 20071
Water rich in hydrogen has many benefits to human body. Ok, let's get down to business. What are the benefits of hydrogen-rich water? 1. Preventing physical aging: We said it at the beginning of the article. ...
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What is the function of water in human body?
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The physiological function of water to human body is embodied in:
First, water participates in the whole process of metabolism in human body, and has strong solubility and ionization ability, which can make the dissolved state of water-soluble substances and electrolyte ion state exist in human body; Because of its great fluidity, water can accelerate the transport of nutrients and the excretion of wastes in the process of digestion, absorption, circulation and excretion, so that metabolism and physiological and chemical reactions in the human body can be carried out smoothly.
Second, water is one of the important components of cells and body fluids. Every cell and its basic unit of the human body contains water, and all kinds of gland secretions of the human body are liquids. If there is water shortage, the secretion of digestive juice will decrease, food digestion will be affected, appetite will decrease and blood flow will slow down. The accumulation of waste in the body and the decrease of metabolic activity lead to internal failure and aggravate the condition.
3. Water maintains a certain amount of human blood-the water content of human blood accounts for about 80%. If you lose a lot of water, the solubility of blood will decrease, resulting in hypotension, which will affect the functional activities of various organs of the human body, especially the heart, brain and kidney. Therefore, blood solubility is closely related to water content.
4. Water plays an important role in regulating human body temperature-the specific heat value of water is high. An increase or decrease of 10C per gram of water requires 1 0,000 calories. Because the human body contains a lot of water, the heat energy generated during metabolism is absorbed by water, so the body temperature will not increase significantly; In fact, the evaporation value of water is very large, and the heat of vaporization per milliliter of water is about 579.5 kcal (37 "). Therefore, the human body can emit a lot of heat by evaporating a small amount of water to maintain a certain body temperature. For example, if the external environment temperature is high, human body heat can evaporate with water through the skin to maintain a constant body temperature.
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The effect of water on human body?
Water is the foundation of human health. Water has many benefits for the body. It can not only maintain the cellular structure of the body, but also assist metabolism. It can also help transport nutrients needed by the body and excrete metabolic waste; Water can also help regulate the body's temperature; Keep your eyes, mouth and nose moist. In addition, water is the source of trace minerals. To sum up, the functions of water in the human body are as follows: to form a cellular medium to transport nutrients, regulate body temperature, moisten and lubricate, and expand data water (chemical formula: H? O) It is an inorganic substance composed of hydrogen and oxygen, and it is nontoxic. At normal temperature and pressure, it is a colorless and odorless transparent liquid, which is called the source of human life. Water includes natural water (rivers, lakes, atmospheric water, seawater, groundwater, etc.). ) (containing impurities), distilled water is pure water and artificial water (water obtained by combining hydrogen atoms and oxygen atoms through chemical reactions). Water is one of the most common substances on the earth, an important resource for all life, including inorganic compounds and human beings, and the most important component of organisms. Water plays an important role in the evolution of life. It is a kind of non-renewable resources in a narrow sense and renewable resources in a broad sense. So, how to replenish water reasonably? First, water supply is not entirely dependent on drinking water. Many healthy people have suggestions to remind everyone to drink as much water as possible, and some even suggest drinking eight to ten glasses of water every day. In fact, this is not desirable. First, the water we drink is not as good as we thought. Although it is all boiled water, if it is generally treated tap water, it is likely to contain excessive toxic substances such as chlorine and fluorescent agent. If it is pure water, it is easy to lose most of the trace elements needed by the human body, and long-term drinking will easily lead to the disorder of physiological balance. Second, we can't drink too much to clean up the system in our bodies. We should always consider the degree of thirst and drink water in moderation. Second: don't rely on drinks to replenish water. Drinks sometimes taste good, but they are often mixed with a variety of additives, a large number of which are synthetic. In addition to increasing your calories and increasing the burden of excretion and detoxification in your liver, there are two disadvantages. One is to affect the balance of your blood pressure, and the other is to affect the nervous system. In particular, excessive intake of various additives in beverages can easily cause emotional tension and anxiety. Third: The best way to replenish water is to drink plenty of water and eat more water-rich foods. Foods rich in water mainly refer to fruits and vegetables. The moisture of fruits and vegetables comes from soil and air. It is naturally filtered from the roots and leaves of plants and contains relatively few harmful substances. The body can eliminate toxic waste in time by supplementing the water in fruits and vegetables. Moreover, the natural vitamins and cellulose in vegetables and fruits can cooperate with water to promote metabolism, play a better cleaning role, and thus maintain human health. I believe that paying attention to timely, appropriate and correct water supply will definitely make you more energetic. Reference Water _ Baidu Encyclopedia
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What is the function of iron in human body?
Most of the iron in the body exists in the form of ferrous sulfate and ferrous chloride. When we supplement iron, we take in ferrous sulfate. Therefore, when substances with strong oxidation enter human blood, ferrous ions are often oxidized into trivalent iron ions, losing their oxygen-carrying ability. In this respect, iron plays an important role in the human body, and the main carrier of ferrous ions is hemoglobin.
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What effect does water have on human body?
"Water" is the best solvent for all substances. In the human body, water is also the medium of all material exchange. When eating, people should chew food with saliva and digest food with gastric juice, intestinal juice, pancreatic juice and bile. Most of these digestive juices are composed of water. The nutrients produced by the human body in the whole process of life metabolism should be absorbed and transported; Poisons or wastes should be excreted, such as defecation, sweating, tears, vomiting, sneezing and breathing. If there is no water, these physiological activities cannot be carried out; Food can't be digested, nutrition can't be absorbed, blood can't flow, body temperature can't be constant, and waste can't be excreted, so "water" participates in all physiological and biochemical processes of human body. When water shortage accounts for 20% of body weight, life will always stop, so water is the root of life and death.
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What role does water play in the human body?
Water accounts for 70% of a person's weight, and it is lysozyme of various metabolism in the body. If you don't drink water or drink less water, your metabolism will be blocked, blood will be concentrated, blood flow will slow down, blood supply to the whole body will be poor, and there will be hypoxia, which will affect the functions of various organs. For example, insufficient blood supply to the kidneys can lead to oliguria, anuria and urine poisoning ........................................................................................................................................................
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What effect does water have on human body? Is drinking more water harmful to your health?
Judging from people's weight, most of the human body is made up of water. Water accounts for 70% of human body weight, and the water content of infants reaches 80%. Water in human blood accounts for 83%, and water in muscle accounts for 76%. 80% in heart and lung; 83% in the kidney; 68% in the liver; 75% is in the brain. Even bones that look strong have more than 20% water. Water is the first element of human life. It is the first of seven nutrients (water, protein, fat, carbohydrates, minerals, vitamins and cellulose) in human body. At the same time, water is the best solvent, which carries many precious chemicals dissolved or suspended in human body and nourishes human physiology. The seawater in the human body flows through all blood vessels, and no matter how small the pipeline in the human body is, it will impact every cell wall and fill every cell. Without it, no part of the human body can survive. Water maintains the concentration of blood, horse lotion and other human tissues and promotes their normal circulation. Water in the human body flows in and out like streams and tides in nature. Usually, the human body needs to discharge 2.5 liters of water every day, while taking in the same amount of water to maintain the balance in the body. People drink about 1.5 liters of water every day, and the other needed 1 liter of water is obtained from food. The amount of water discharged every day is about 1.5 liter of urine, and another 1 liter of water evaporates from sweat and breath (through skin and lungs) to keep the body cool, and about 100ml of water is discharged from feces. Usually, the feeling of dry throat is considered as a signal of thirst, but this signal actually comes from the blood. When we sweat during exercise, water is evaporated and lost, which thickens our blood. When the blood is too thick or not suitable for the body temperature and physical state at that time, this signal will flow through the notification point of the brain, and then send a message to the throat, making the nerve tissue of the mouth and throat feel thirsty. Drink water to quench your thirst and the water balance will be restored. When we eat salty food, we also feel thirsty. In fact, the human body should not only keep the balance of water, but also keep the proportion of salt in water at nine thousandths, so if you eat too much salt, you must drink more water. The sweat we shed and the water we lost are actually salty water, which needs both water and salt. Water can help and excrete human waste. About 1 1 liter of water is produced in the human body every day, of which 1 liter is supplied by salivary glands to moisten the mouth and start the digestive system. The stomach produces 1.5 liters of digestive juice, and the pancreas, liver and intestine produce about 5 liters of water. When all these liquids flow through the small intestine, if they are not reabsorbed, and finally reach the large intestine, the feces used to make semi-solid are excreted or returned to the human body through the intestinal wall. Water can dissipate heat and regulate body temperature. Chemical activities are carried out all the time in the human body, and the heat generated by muscle activities when we engage in physical labor or exercise is enough to burn us. However, the water that permeates the cell tissue can immediately absorb excess enthusiasm. The water in the body is also a shock absorber, which surrounds our brain and protects it from vibration. Similarly, our bones, joints, organs and nerves are all protected by liquid, so our bodies will not be hurt by the countless shocks we have to bear. Water can lubricate and protect joints, eyes and skin. If there is no water, the impact of our feet on the ground or the vibration of our opponents will be unbearable when using heavy objects such as hammers. The water in the human body is continuously circulated and exchanged among various organs and systems. In one day, as many as 200 liters of water are filtered out of the blood vessels and sent back to the blood by the kidneys. We usually say that blood is the most important liquid, but flowing, lubricated, warm and clear water, which dissolves various substances and carries various molecules that nourish us, is the real liquid on which life depends. When water loss accounts for 65,438+00% of body weight, dehydration will occur, resulting in oliguria, accelerated heartbeat and decreased blood pressure. When water loss accounts for 15-20% of body weight, it will be life-threatening. All human activities, such as nerve safety, solving constipation, treating colds, preventing cystitis, kidney calculi's diseases, urinary calculi, and eliminating exercise fatigue, are inseparable from the role of boiling water. Drinking plenty of water is not good, which will lead to water poisoning.
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