What property of water explains how sweating helps the runner continue running?
The property of water that explains how sweating helps a runner continue running is its high specific heat capacity. Specific heat capacity is the amount of heat required to raise the temperature of a substance by a certain amount.
When a runner sweats, the water on their skin evaporates due to the heat generated by their body during exercise. Evaporation is a process where liquid water turns into water vapor by absorbing heat energy from the surroundings.
Water has a relatively high specific heat capacity, which means it requires a significant amount of heat energy to raise its temperature. Therefore, when sweat evaporates from the runner’s skin, it absorbs a large amount of heat energy from the body, cooling the skin and helping to regulate the runner’s internal temperature.
By sweating, the runner releases excess heat produced during exercise through evaporation, which prevents overheating of the body. This cooling effect allows the body to continue running for a longer period by preventing heat-related fatigue and maintaining a stable internal temperature.
In summary, sweating helps a runner continue running by utilizing the high specific heat capacity of water. Evaporation of sweat from the skin absorbs heat energy, preventing overheating and allowing the body to maintain a more comfortable temperature during intense physical activity.
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