18 agos 2012 anni - Physical Development Change in body composition. Around this time, my body starts to grow differently and as a result, my body responds differently as well. For most boys, the muscle to fat to ratio is approximately 3:1. For females, it is more closer to a 5:4 ratio.
Aggiunto al nastro di tempo:
Data:
18 agos 2012 anni
Adesso
~ 13 years ago