People do not get Mad Cow Disease. No human can get mad cow disease but humans can be infected by eating meat from a contaminated cow that has mad cow disease. The disease in people that has been associated with humans is called variant Creutzfeldt Jakob disease (vCJD) that is also a progressive fatal neurological disease.
Humans.
"Cow meat" -- aka Beef -- gets eaten by humans.
Yes.
they give milk
Near the liver and the stomach, just like in humans.
Cow manure is a fertilizer. The bacteria in the cow manure are the decomposers.
The same air that we humans breathe in.
Phylum Chordata, like humans.
Yes.
no they dont
Humans, and any other carnivore (or omnivore) that is higher up on the food chain than a cow is will eat a cow, either by killing and eating it, or scavenging a cow's carcass.