Blood is filtered at the kidneys and liver. Kidneys and heart are target organs. Toxic effects include damage to the brain, kidneys and lungs. There is currently a shortage of available organs, including liver, kidneys, and lungs. GS is present predominantly in the brain, kidneys, and liver. Paleolithic humans consumed animal organ meats, including the livers, kidneys, and brains. Mini Muscle Mice also exhibit larger kidneys and livers. It works by increasing the amount of calcium absorbed by the intestines and kidneys. They liked animal organ meats, including the livers, kidneys and brains. A UTI affects parts of the urinary system including the urethra, bladder, and kidneys. Excretion of urea occurs via the kidneys. Urolithiasis refers to stones originating anywhere in the urinary system, including the kidneys and bladder. The adrenal glands are named for their location relative to the kidneys. Blood wastes are filtered by the kidneys. Ciclosporin causes hypertension by inducing vasoconstriction in the kidneys and increasing sodium reabsorption.