Answer: the number of cells increases
Explanation:
The changes experienced by a human, from birth to 16 years old in form of growth is facilitated by the increase in the number of cells.
Most tissues in the human body grow by increasing their cell number, but this growth is being monitored and regulated to maintain a balance between the different tissues.
<em /><em>Arrhythmia </em>is probably the term you're looking for.
The prefix "a-" means "not" and the suffix/root "-rhythmia" means "rhythmic."
