No, dogs don't have human emotions, they need plenty of exercise (about an hours walk) everyday....
That is not exactly what happens. See, unlike humans, dogs don't have crushes or anything like that. The female dog goes into heat, and the male dogs smell it and know they are supposed to mate with the girl dog. The boy dog then mates with the girl dog, and usually it is successful and they have puppies.
There are more humans than dogs.
Both!
While dogs can get psoriasis, they do not get it from humans.
No, dogs do not get lice from humans. Lice that affect dogs are specific to their species and cannot be transmitted from humans.
Cats do not have "crushes". Only humans have "crushes" where they obsess about another person. A "crush" is much different from actual love, which cats might feel about their owner.
Dogs are hairy for the same reason humans are. Why are humans hairy?
No, dogs cannot be sexually attracted to humans.
No, dogs cannot get head lice from humans. Head lice are specific to humans and do not infest animals like dogs.
Liver medicines do not work the same on humans as they do dogs. A dogs body works different than a humans.
Over 75% of humans in the world are scared of dogs.
Humans and dogs belong to the phylum Chordata.