It's depend what type of girl you are exactly. The good age is over 16 years or maybe before it, but you should have a "Period".
Nope not at all. The hymen is only a remain from the time in the womb and has no effect on the body, broken or otherwise.
The hymen is tissue that surrounds the opening to the vagina. The hymen is the same in a virgin as it is in someone who has had sex, although sometimes sex can stretch or tear the hymen.
Yes, of course
Not sure what you consider a 'premature girl', but any female that has sex will typically break the hymen. In many cases the hymen may already be broken.
her himen or hymen. google it.
The hymen is a body part, it is the tissue that surrounds the vaginal opening in most women. The hymen is not something that is made, it is something that occurs naturally.
No, once the hymen is broken in a 10 or 12 year old girl is will remain broken.
Hymen acts as a thin papery door at the external opening of the vaginal passage.
No.
A girl cannot get pregnant if the hymen is still intact. Penetration and ejaculation have to occur for pregnancy. A girl cannot get pregnant by sitting on a toilet seat or bathing in a tub.
No.
The hymen cannot break, it can be torn as a result of rough or forced penetration. You can identify a torn hymen by looking at the hymen, if you know your body well you will be able to see the tear.