Cross over? i have no idea lol
what? I think you're missing some crucial information in this question.
The avian
kidneys are divided into units called lobules and as the two avian kidneys of
birds do their work or function, most of these birds excrete nitrogenous waste
known as uric acid from the blood, which reduces water loss but requires more
metabolic energy to produce nitrogenous waste.
It is always beneficial to study the diseases of other animals because many of these diseases can be transmitted to humans as well. It's also essential in order to save the lives of dogs.
