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.
Such tests will usually be carried out if cancer is suspected from a physical examination. Patients often ask 'would cancer show up in a blood test'. The answer is that blood tests may not provide a definitive answer but often form part of a general examination to assess health.Common tests include measurement of liver function and hemoglobin levels, abnormalities in these can point to the possibility of cancer.Leukemia arises in the bone marrow and tumor cells usually enter the bloodstream. Therefore malignant cells will be visible if the blood cells are examined in a blood film.ommon tests include measurement of liver function and hemoglobin levels, abnormalities in these can point to the possibility of cancer. Leukemia arises in the bone marrow and tumor cells usually enter the bloodstream. Therefore malignant cells will be visible if the blood cells are examined in a blood film.