The answer is Mitosis.
The zygote divides through a process called mitosis, in which each cell doubles by dividing into two cells.
By stretching every day to become more flexible
HPV will be the one that causes cervical cancer in women.<span />
What doesn't limit the range of moton from the things which you've mentioned would be age. Age per se doesn't really limit the range of motion - while there are factors which negatively influence our range of motion and which are strongly correlated with age, it is hard to say that age itself would be the cause of a limited range of motion.