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.
No matter what type of heart disease you have, your doctor will likely perform a physical exam and ask about your personal and family medical history before doing any tests. Besides blood tests and a chest X-ray, tests to diagnose heart disease can include:1  Electrocardiogram (ECG). 2  An ECG records these electrical signals and can help your doctor detect irregularities in your heart's rhythm and structure. This test is often used to check for heart problems. 2  In a cardiac CT scan, you lie on a table inside a doughnut-shaped machine. 3  An X-ray tube inside the machine rotates around your body and collects images of your heart and chest. 4  Cardiac magnetic resonance imaging (MRI).