The functions of water are as follows:
1. Humans and various animals and plants need water for food. Without water, they will not grow. Humans, animals and plants will no longer be able to survive after this period.
2. Water can dissolve various nutrients and help humans absorb them better.
3. Water always circulates between our blood vessels and cells, and helps transport oxygen and nutrients to tissue cells, and then excretes metabolic waste from the body, so you can see the various metabolic and physiological activities of people . inseparable from water.
Characteristics of water:
1. The water molecules continue to move irregularly.
2. There are gaps between molecules.
3. There is a certain force between water molecules.
4. Water at room temperature is a colorless liquid et odorless.
5. There is an association between water molecules, so there is an anti-expansion phenomenon.
6. Water has a strong ability to dissolve and disperse other substances.
1. If the water is soft, you can wash your feet and then flush the toilet.
2. When the water for washing rice and cooking noodles is hot, use it to wash dishes and chopsticks to remove oil and save water.
3. Watering flowers at a moderate temperature can promote the growth of flowers and trees. Water is not inexhaustible. To save water we must start from everything around us and from every moment of life. A drop of water is insignificant, but if it continues to flow, the amount is considerable.