that is because other than religious beliefs this is called evolution where we came from other animals such as gorillas and that's why gorillas are so smart. so early back when we j had the big bang there was nothing other than God and God has the right to make the animals and then once the animals kept growing and keep breeding and keep and repopulating they just kept growing over time and once there is a span of gorillas we came from the grill is because the grill as kept on breeding and we came to be
Physical activity causes an increase in your heart rate. Your body have to change the way it behaves so you don’t get ill or sick or pass out during physical exertion