What are the benefits and disadvantages of water for people. For example, water quenches thirst. But

Although water can nourish people's hearts, it can sometimes destroy people's crops.

Water moistens the soil. But water will drown people.

Benefits: Sixty percent of your body is water, and on earth, if there is water, there is life. The lifeblood of the crops, grab a handful of plants with your hands, and you will feel wet and cold, which is because of the water.

Plants contain a lot of water. Water plays an important role in a series of important aspects of the production of industrial and mining enterprises.

Disadvantages: People drink too much water and easily cause water poisoning, resulting in our inability to promote production, but the lack of systematic and uncontrolled water use will also affect the normal activities of the human heart and brain.

1. Benefits

Water is needed for various physiological activities of human beings, such as water can dissolve various nutrients, fats and proteins (protein foods) must become a colloidal state suspended in water before they can be absorbed; Water flows endlessly between blood vessels and cells, transporting oxygen and nutrients to tissue cells, and then excreting metabolic wastes from the body.

2. Disadvantages

Water will bring a lot of natural disasters, when the storm comes to nature, the storm will bring the water of the river**, forming a flood, the flood will drown the crops, bring economic losses to human beings, and will also wash down houses and take lives.

Current status of China's freshwater resources:

China's total freshwater resources are more, but according to the population, the average level of cultivated land is very low, compared with many countries in the world, China's freshwater resources problem is more serious, although China's total river runoff ranks sixth in the world, but because of China's vast territory, large population, per capita and per mu are lower than the world average.

The per capita occupancy is about 1 4 of the world's per capita occupancy, and the per mu occupancy is only 3 4 of the world's per mu per mu. According to the latest statistics of 149 countries and regions, the per capita share of Chinese has retreated to the 110th place in the world. Therefore, properly handling the relationship between water and people and people and water is more arduous and complex than any other country in the world.

First of all, it should be noted that not all patients are suitable for drinking more water.

People with heart disease, kidney and liver problems are not suitable for drinking more water, as drinking too much water can worsen the condition. Such people are better off on how and how much to drink according to their doctor's advice. And drinking more water means a day, more is not beneficial.

There are many reasons why drinking plenty of water can relieve physical discomfort. First of all, when you are sick, you will lose some of your body fluids, and drinking water can replenish your body fluids. Secondly, drinking water can promote the transportation and function of drugs in the body, and also help the body to excrete metabolic wastes through excretory organs.

In addition, when free water increases, cell metabolism and other activities are easy to play, and life activities are often more vigorous, and more antibodies can be secreted and more stress-resistant proteins can be synthesized to defend and repair the body. Moreover, drinking water reduces blood viscosity, which has a promoting effect on many physiological activities.

Water is good in the desert, not in the floodplain.