No, and trying to give human painkillers to pigs without a veterinary prescription is illegal.
not human ones! they are made for humans!
No, the human strain of lice can not be transmitted to guinea pigs and vice versa.
No,do not give your guinea pig any human medicine.
It depens on what you need the medicine for. You can purchase a medical ointment from a feed store called Terramyosin* that can be used in a guinea pig's eye if it gets injured. Other than that, I would recommend going to a veterinarian if you feel your guinea pig needs medical assistance.
Pigs can sometimes eat human food, guinea pigs can eat more human foods than pigs.
Pigs have a diet that is most like humans. If you give them human meat, they'll eat it since it's meat. (I wouldn't advise or recommend it)
No humans can not give lice to guinea pigs. Guinea pigs and small animals all have a different type of lice that can spread from pig to pig. Humans can't give it to pigs and pigs can't give it to humans, but they can give it to other small animals so be carfeful.
A stomach is attached the esophagus. A pigs anatomy is a lot like a human most people use pigs to understand the human anatomy.
Yes....
No.
NO