Yes, in girls it certainly can be. It can be a sign that your reproductive system is starting to become active
yes that is true one of them is man periods...
If you mean growing pains, then yes
Yes, it only happens once for males and females during childhood.
A boys muscles and penis become thicker once he has begun puberty.
no,sperm only comes once you've gone through puberty.
Once Puberty has begun boys will get sexual thoughts quite often. Other than that they will have pretty much the same thoughts as anyone else.
Males go into Puberty one time in their life.
Once Puberty begins you will start to grow pubic hair first, then hair on arms, legs, face, back and bottom. Not all boys will have hair everywhere but some will.
Because they're going through (or close to) puberty - and their brain hasn't learned the 'art' of self-control yet. Once they've gone through puberty, their self-control is much better (although the occasional 'slip' is not uncommon).
Yes, they are natural nocturnal emissions that occur when asleep and dreaming. Most boys will find once Puberty has begun they will have them once in a while. This can continue through adolescence and into middle aged.
There is no predetermined number of times it will crack before it stops, but most boys find that it stops pretty quickly. Once the voice starts to change, it will be awkward for a couple of months, but then it is over. Some boys go through it as quickly as a couple of weeks.
Boys are growing all the time from birth right up until puberty is finished. They start to have growth spurts once puberty has begun which is around 12-years-old on average.
Boys can have sons at the age of 18. Once a boy hits puberty and starts producing semen his body is capable of reproducing.
of course once a boy starts to go through puberty the will grow hair on their balls THATS STUPID YES BOYS HAVE HAIR ON THERE BALLS ITS CALLED PUBIC HAIR AKA PUBS