If you haven't gotten your period yet, you probably will soon. It is normal so don't worry.
no
The menarche. The last one is called the menopause.
It doesn't. Females voiced don't change during puberty. Males voices become deeper during puberty.
The testis in males mature during puberty. In females it is the ovaries that mature.
Estrogen
Menstruation starts during puberty. Also the breasts also become larger. Hair grow in pubic area.
One of the eggs in your ovaries can mature.
Testosterone, Oestrogen, progesterone.
The chief hormone in males is testosterone. In females it is oestrogen.
Absolutely, once she gets her period all they need is a sperm donor!
For males, there is increase in size of testis. For females there is onset of menstruation.
The main change is that the testis become larger in size. In females there is onset of menstruation.