the brain stem controls involuntary actions such as breathing, heart beating and blinking.
Once you finish
growing to adulthood, neurons stop dividing. Hair follicle cells constantly
divide throughout your lifetime since they are constantly producing cells that
become part of the hair itself as they die. So in an adult, the rate of cell
division for neurons is zero (although there is some counter-evidence but it is
certainly very low) while the hair follicle rate is much higher on the order of
once every few days or faster.
There heart began to beat faster and their body produce more sweat and there blood is following faet
B. The electron transport chain is the final step on cellular respiration in which 32 ATP is made and water