could be an infection in sperm sac
kidney stone.
Falling on an icepick or being shot or appendicitis
As long as blood is pumping through the testicle then it should have a pulse, the left testicle should have a pulse too.
Any bump or knot on the testicle need to be looked at by a doctor. Could be nothing, could be cancer. Go to the doctor, ASAP.
If it doesn't hurt and you seem to be functioning properly, you are probably fine. It is not uncommon for an injury to cause one testicle to hang lower than the other permanently.
some weird unheard of STD. Get that thinmg checked.
no
what do you mean by not shooting right
Could be. Your testicle might have drawn back up into your body, wrapped around your ureter and redescended. Please go to doctor NOW.This would be very unusual , but possible and potentially harmful.
Yes.
Any testicle problems should be taken to a doctor. There are many reasons for differences. See the link below.
same as the left, making sperm and semen
You may have an undescending testicle.