Puberty for Girls part 1(puberty part 2)

Girls
The hormones in your body are different from boys.
Your hormones are called Estrogen.

The Brain
Girls brains are smaller(however it doesn't affect their intelligence).During puberty girls' brains mature earlier that boys' do.

The Chromosomes
The sex chromosomes are one of the 23 pairs you have inside every cell in your body.Sex chromosomes are shaped like the letters X and Y.These determine whether you're a boy or a girl.You inherit one chromosome from each parent.If you have XX you are a girl,if you have XY you are a boy.

Let's start shall we?

Breast growth stages

These are the stages
Stage 1
There is no breast tissue
Stage 2
Small mound of breast tissue appear under the nipple,and the part around the nipple called the areola is starting to grow bigger
Stage 3
the breast and nipples grow bigger bbut the nipples doesn't stick out yet
Stage 4
The areola and nipple to stick out from the breast
Stage 5
Breast are fully grown.Only the nipples stick out.The areola is leveled with the rest of the breast