The organs that secrete fluids that act on the vagina is : Bulbourethral Gland
This organs create lubricating fluid during penis insertion into Vagina so it would prevent the damage within Vagina's wall
hope this helps
1) feelings of euphonia
2) pain relief
3) drowsiness
4) sedation
these are 4 side effects of opiates
D would be my answer. But it depends on the situation and work environment.