No
yes
The answer you're looking for is a Worm.
It's possible.
Yes the cat may give the human worms
No
The worms that infest us are all soft.
White worms in cats and dogs are probably tapeworm, which is spread by fleas.
No, they do not. they just spread really fast.
Don’t. No
no
NO I HAVE NOT
No. Various worms or parasites can live in the human body... tape worms, guinea worms, loa loa (eye worm), or scabies but not snakes.