Biology, 18.08.2019 20:10 omar2334

Iam doing a test to see if there is a connection between how long you run and how fast your heart beats. i will be performing an experiment where a person will run for a 1 minute and i will check their heart beat. then they will run for 2 min and i will check their heart rate. i will do this up to 6 min and see if there is a connection. what do you think my hypothesis should be? what are my variables?
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