Because, when an infection exist in the human body it tends to spread, so if the cells stayed in one space then the infection would have a much greater opportunity to severly make that person very ill before the cells could even get to the infection.
The women should walk a little each day to improve her stamina & to prevent getting out of breath. She should walk a little and gradually walk more each time.
B, a drug like that could be steroids
Relative strength is the amount of strength to body size, or how strong you are for your size. Absolute strength is the maximum amount of force exerted, regardless of muscle or body size.
as the outward direction of motor development. It also means away from. Motor skills develop from the center outward.