Water is essential for the survival of all living organisms because it plays a crucial role in various biological and physiological processes.
- Cellular Functions – Water is a major component of cells and is required for metabolic activities, including digestion, respiration, and energy production.
- Transport of Nutrients and Waste – In plants, animals, and humans, water helps in dissolving and transporting nutrients, oxygen, and hormones while also removing waste through urine and sweat.
- Temperature Regulation – Water helps in maintaining body temperature through sweating and evaporation in humans and transpiration in plants