Sometimes your voice may crack and over time it will get deeper. Other than that no.
You really don't get any smarter, but hopefully you will get a little more experience and wisdom as well as maturing while going through puberty.
This is not at all normal. All people go through puberty in their teens. Its more noticeable in some people, while in others its not.
... hopefully a lot less stupid mistakes than they made while going through puberty...
It's normal.
Yes that's what usually happens.
You are going through a growth spurt! If it bothers you too much, talk to your parents.
In males, the scrotum holds the testis. In puberty the testis grow in size and so the scrotum also grows bigger.
It could drastically stunt your growth, it's just overall unhealthy. You're also much more likely to become addicted while you're going through puberty.
It is not uncommon for your period to be irregular while you are going through puberty. I am sure it is nothing to worry about it.
Yep, he sings too. He sings background vocals and also assisted Bill in singing while Bill was going through puberty.
IT IS normal for an 11 to sweat because her Harmon change while she is going through puberty
If u sperm while puberty don't worry it's normal.