Answer:
mitosis
Explanation:
The zygote undergoes a process known as mitosis, in which it replicates its chromosomes (which carry each parent's DNA) and then divides, resulting in two identical cells. These cells are called totipotent and have the ability to develop into a new organism
1st -When cells are small, the movement of food and waste can be efficiently handled by the cell membrane
Ice because it releaves the precer that the needle has put in it.
It takes three minutes for the clinical death of the brain to die
