The gallbladder only produces bile to break down fats. Semen is not a fat. No gallbladder will have no negative or dangerous effect.
Because of the liver
No it won't do anything, but why would you?
Assuming the semen is healthy, there should be no positive or negative effects from consuming it. Yes but as far as i am concerned it is bed for health
Yes before puberty you can produce semen. But this semen may not contain any fertile mature sperm.
Someone please answer
you can unless you have someone throw a sharp rock at it
No.
Semen is not a valid source of vitamin intake.
If you swallow your own semen, then no, you can't get anything new. It's quite safe. It's fairly safe, too, to swallow someone else's semen.
Yes
Swallowing semen is not dangerous as long as you are positive your partner has no sexually transmittable diseases.
Semen is sterile and can not transmit the flu that someone has to another person.