While working out our body sweats to cool us down but shouldn’t the blood in our body also? With our blood flowing even faster during this period shouldn’t it be cooled by the sweat/air around us and cool our muscles from within?
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Exercise doesn’t cool you down. Your body is trying to cool you down on the outside because it’s doing its best to counteract the heat generated by the exercise, and because evaporative cooling requires access to the atmosphere. Your blood is picking up heat from your inside and hopefully dumping it outside if your sweat does a good enough job.
Remember, exercise uses a lot of energy, and your body gets energy from literally burning things. And because you’re a mammal, you’re mostly designed to keep that heat in. So when there’s too much heat, your body has to try to fix it.
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