While substantial evidence may consist of inferences, such inferences must be 'a product of logic and reason' and 'must rest on the evidence' ; inferences that are the result of mere speculation or conjecture cannot support a finding . (Kuhn v. Department of General Services (1994) 22 Cal.App.4th 1627, 1633.)
Kidneys. The kidneys are two bean-shaped organs located on either side of the spine, at the small of the back. The kidneys filter wastes from the blood and help balance water, salt, and mineral levels in the blood.Wastes filtered out of the blood are carried out of the body as urine.idneys. The kidneys are two bean-shaped organs located on either side of the spine, at the small of the back. The kidneys filter wastes from the blood and help balance water, salt, and mineral levels in the blood.
Normal kidneys and kidney function. 1  The kidneys are a pair of bean-shaped organs that lie on either side of the spine in the lower middle of the back.  Each kidney weighs about 5 ounces and contains approximately one million filtering units called nephrons.