Kidney Level Of Organization. Organisms are technically any form that can carry out its own functions such as take material in and push material out. The kidneys are bilateral organs placed retroperitoneally in the upper left and right abdominal quadrants and are part of the urinary system.

Some fully functioning organisms are made of just one cell. Each kidney is approximately three vertebrae in length. The first level of organization are living cells.
For example organs make up one level as the fourth level of organization.
The right kidney sits just below the diaphragm and posterior to the liver. Longitudinal section of the kidney shows following parts. What level of organization is this. They typically extend from t12 to l3 although the right kidney is often situated slightly lower due to the presence of the liver.