Regulates body temperature
Water does not only quench our thirst, but it also regulates our body temperature. When we are overheated, it helps to cool us down by evaporating from our skin. This process, called sweating, uses the latent heat of vaporization to remove heat from our bodies. Conversely, when we are cold, water can help to warm us up. This happens when we drink hot beverages or take a hot bath. The heat from the water warms our bodies and makes us feel comfortable. (4)