Apr 162018
SciShow answers the question… Does your heart rate have an upper limit and could you ever reach it?
[arve url=”https://youtu.be/0on5LV3k26o” /]
SciShow answers the question… Does your heart rate have an upper limit and could you ever reach it?
[arve url=”https://youtu.be/0on5LV3k26o” /]
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