FOR GIRLS:

Why do some girls have bigger breasts than others?
Breast size is very much determined by heredity. There is no “normal” breast size. Most girls will be fully developed by about age 17. It is also common for one breast to be slightly larger than the other.

I used to ignore boys, but now I seem to be thinking about them all the time, and I want them to notice me.
It is totally natural to start taking a greater interest in members of the opposite sex. You are starting to be attracted to them, which is great and will help you find someone who you want to be in a relationship with when you are older. Now is a great chance to make friends with the boys in your class. Focus on cultivating lots of good friendships, and as tempting as it may be, avoid anything physical.

FOR BOYS:

What is an average penis size?
An average penis is between 4 to 6 inches in length when erect. Penis size does not determine sexual satisfaction or fertility.

What is a wet dream?
This is a natural part of growing up and happens when a man’s body releases semen during sleep. It is also known as nocturnal emission.