In humans, soluble wastes are excreted primarily by the urinary system and, to a lesser extent in terms of urea removed, by perspiration. The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The system produces urine by a process of filtration, reabsorption, and tubular secretion.
Other blood tests used in diagnosing liver cancer include the following: 1  Liver-function tests, such as to check your level of the liver pigment bilirubin or the liver protein albumin. 2  Coagulation panel to check for problems with blood clotting.3  Blood counts to check your levels of different types of blood cells.ther blood tests used in diagnosing liver cancer include the following: 1  Liver-function tests, such as to check your level of the liver pigment bilirubin or the liver protein albumin. 2  Coagulation panel to check for problems with blood clotting.
Samples collected for cancer blood tests are analyzed in a lab for signs of cancer. The samples may show cancer cells, proteins or other substances made by the cancer. Blood tests can also give your doctor an idea of how well your organs are functioning and if they've been affected by cancer.Examples of blood tests used to diagnose cancer include: 1  Complete blood count (CBC). 2  This common blood test measures the amount of various types of blood cells in a sample of your blood.3  Blood cancers may be detected using this test if too many or too few of a type of blood cell or abnormal cells are found. This common blood test measures the amount of various types of blood cells in a sample of your blood. 2  Blood cancers may be detected using this test if too many or too few of a type of blood cell or abnormal cells are found. 3  A bone marrow biopsy may help confirm a diagnosis of a blood cancer.