No. Bacteria can enter through the nose, ear, and cuts on the skin. There is an amoeba that enters through the ear and will kill a person by going to the brain.
Yes it is safe usually to swallow a mouth or two of bath water. I wouldn't drink it though as it will contain unpleasant tastes of soap or shampoo !
Yes as long as you don't swallow it.
As long as there are no small parts the baby can swallow.
No. It isn't safe for a child to swallow anything that isn't food.
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.
no
Swallow, swallow, and keep swallowing without taking a breath. It is not really safe to chug a liquid because you can choke. You will get enough just by drinking regularly and breathing in between swallows.
No - but - the mother will take their young into their mouths (into a special pouch) in order to move them to a safe place, or down to water.
By the time water hits its boiling point the water is safe.
Seriously? Saliva? That's spit... you swallow it every day without even thinking of it, especialy when you eat.
yes, it is!
no