http://www.nbchpn.org/pdf/NBCHPN_handbook.pdf
Your answer may be in there
How much of the exercise you can take and how strong your heart is
Answer;
improve your chances of going to college
Explanation;
Physical activity helps improve academic achievement. Teachers have long suspected it. Physical activity can have an impact on cognitive skills and attitudes and academic behavior, all of which are important components of improved academic performance.
Exercise affects the brain on multiple fronts. It increases heart rate, which pumps more oxygen to the brain. Exercise stimulates the brain plasticity by stimulating growth of new connections between cells in a wide array of important cortical areas of the brain.
bro please type english
this equals 180 beats per minute
a minute is 60 seconds
180/60=3 beats a second