heart rate

To see if your heart rate is chaging you will need to cheeck you pulse before, during and after the activity and how you do that you will need to cheeck your pulse per minute.  

Heart rate is determined by the number of heartbeats per unit of time, typically expressed as beats per minute (BPM), it can vary with as the body's need for oxygen changes, such as during exercise or sleep. The measurement of heart rate is used by medical professionals to assist in the diagnosis and tracking of medical conditions.

here is some of my results
before exercise- 88-89
after exercise- 121-111
before the game round 1- 88-97
after the game round 1- 98-79
before the game roung 2- 87-74
after the game round 2- 92-81