Body organ that filters blood for the secretion of URINE and that regulates ion concentrations.
Kidneys
D010828
Physiology, Comparative
The biological science concerned with similarities or differences in the life-supporting functions and processes of different species.
Comparative Physiology
D000818
Animals
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.