Before performing exercise and stretching, why is it important to warm up for 5-10 minutes?
To increase the flow of blood and oxygen to the muscles
Warming up before exercise gradually raises the heart rate and increases blood circulation, which delivers more blood and oxygen to the muscles that are about to be used.
This increased blood and oxygen flow makes muscles more pliable and better prepared for exertion, reducing the risk of strains and injuries during exercise or stretching.
Warm-up does not reduce heart rate (it actually raises it), and its main purpose is not calorie burning or increasing bone density, which are unrelated short-term effects.
Therefore, the correct answer is to increase the flow of blood and oxygen to the muscles.
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