Horses are big animals, but their kidneys work in the same way as other kidneys work. The kidneys work by filtering out what the body does not need.
Horses have 2 kindeys.
kidney infections
If kidneys cease to work they dont produce urine so the answer is no.
A gastroenterologist deals with the digestive tract, which does not include the kidneys.
Some vets will work with horses. Otherwise, there are specialty equine-vets who will work almost only with horses.
You can only die if both are not working BUT if one of the kidneys still work then you wont die.
kidneys work by filtering the blood over and over again to keep our blood clean all day everyday.
you die
The kidneys work with other body systems to maintain homeostasis by filtering pollutants from the body. The kidneys filter blood which nourishes all of the systems of the body.
The kidneys do not effect your lungs even if they don't work. However, you'll die shortly after your kidneys fail.
Horses might not work because of the versions you are using.
Horses are mostly used for work or for competitions.