Nope, whatever you swallow goes directly to your bloodstream. Originally Posted by bustyamyWhere do you come up with this stuff?
All the "risk" aversion is thrown out the window the second you have a bareback dick in your mouth. Same goes for taking a load in your mouth. Doesn't matter if you spit or swallow. If you're worried about creepy crawlies then your MOUTH is what's going to catch them, not your acid-coated stomach will will pretty much kill anything.
Oh, and sweetums, there's millions of those guys in each load. Spitting out 99% of them still leaves a few hundred thousand to go "directly to your blood stream."
Biology? How does it work?