at what age does your body start to grow bigger?

Answer 1

Your body usually begins to change around the age of 12, though there have been reports of boys starting puberty at the age of 8, though those occurences are rare. Some people are late bloomers and don't start until they are 14 or 15, with very light changes occuring before then. You are most likely to start between the ages of 11 anf 13.

Answer 2

You start to grow bigger when the sperm enters the egg.

Answer 3

puberty