Why is water very precious for all living beings? List four points

Water is very precious for all living beings due to the following reasons:

1. Water is the source of life. It is the most essential substance for the existence of life.
2. It is required for everyday uses like drinking, cleaning, bathing, washing etc.
3. It provides medium for all biochemical reactions inside our bodies to take place.
4. It regulates our body temperature through sweating and evaporation.