There could be many reasons for this. It is impossible to answer the question without more information.
You should see a doctor for proper medical treatment.
There is no foreskin around your urethra. In the male the urethra finishes at the ending of the glans of the penis. If your foreskin starts to bleed then you have obviously damaged it somehow and if you dont know hoe it happened you should see a doctor about it.
No when they circumcise they remove the foreskin only. Not the penis.
No not at all except if you already have got a loose foreskin it became to loose and will not stay behind the head of the penis.
the removal of a males foreskin on his penis
If you are of an age that you are still growing, it may be as simple as your penis has grown a bit and the foreskin didn't. Just as every penis is different, the length of foreskin is also.
The glans are a very fine and sensitive part of the penis when the glans are exposed it will react. it is designed to be protected by the foreskin
The foreskin is a fold of skin that covers the head (glans) of the penis.
Circumcision is the removal of the Prepuce or foreskin from the penis. this is largely a religious practice and there are no medical or health advantages in it except in extremely rare circumstances.
A circumcised penis has the foreskin removed. An uncircumcised one does not.
Pull down the foreskin to expose the head of the penis.
When you have an erection the penis also become longer. The foreskin is not always long enough to stretch all the way.
Circumcision is the removal of the foreskin of the penis. If your penis does not have a foreskin (the skin that covers the glans of the penis when it is not erect), then you have been circumcised. Circumcision is common practice in the USA. In Europe the opposite holds true.