The Quiz: On average, how often do human skin cells replace themselves?
Every 7 years
Every 2-3 weeks
Once in a lifetime
Never
The correct answer to this quiz is Every 2-3 weeks.
The Quiz: On average, how often do human skin cells replace themselves?
Every 7 years
Every 2-3 weeks
Once in a lifetime
Never
The correct answer to this quiz is Every 2-3 weeks.