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In males, the testis get bigger. In females, there is menstruation. Also the overall body growth is huge.
All the secondary sexual characteristics.
for boys: change in voice. for girls:developing of the breasts. it's the years between puberty and adulthood. more hair on the body.
-making new friends. -having mood swings. (not recommended)
It will grow in length, girth, and the boy will start getting erections.
1.Having menstruation 2.Enlargement of breast 3.Enlargement of hips
You might find that you have... *mood swings *like girls/boys A LOT
Umm. Many things can occur in height and weight'
Mostly in his gonads (testes) and a little bit from adrenal glands.