Many body systems work together for proper functioning of the body and to maintain internal homeostasis.

for the points

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

multiply it by 5 in order for you to understand i cant give an exact answer.