how can i make my paragraph MORE ACADEMIC? Physical exercise increases heart rate due to the increased sympathetic activity in the body (Huang et al. 2005) along with increasing recovery rate after the exercise (Javorka et al. 2002). These results from previous studies support the alternate hypothesis for this study which is that weight will increase the pulse rate and recovery time. The null hypothesis is that weights will not affect the pulse rate or the recovery time. These studies represent that physical exercise increases both pulse rate and recovery time. Pulse rate is the rate at which a heart contracts and relaxes per minute; hence it is measured in beats per minute. Recovery time is when the pulse rate had returned to normal. The purpose of this experiment was to see if weights have an effect on pulse rate and recovery time. In this experiment we had one subject who did the step test with weights while the other did not use weights and measured the pulse rate and recovery time for both subjects. This paper will present evidence of how lifting weight increases pulse rate and recovery time.
plz need help
change it to the standard english...it will be more formal :D
good luck
thx but how i'm confused
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