It takes 1.5 s for reaction to start ethier moving your body or doing any movement . that why y
ou really have good eyes and brain that realizes every thing you can observe that when you want to run you don't start in the time you think about it
I hope it's right
“Wellness” is the answer to your question
It gives us core muscles which makes us stronger. Also it is energy and vitamins to do hard work and not get tired easily