Doctors can often see a large hiatus hernia on a chest x-ray. Otherwise, people are given barium in a liquid before x-rays are taken (barium swallow). The barium outlines the esophagus, making abnormalities easier to see. Hernias can also be seen during an upper endoscopy.
The kidneys filter the blood to remove wastes and produce urine. The ureters, urinary bladder, and urethra together form the urinary tract, which acts as a plumbing system to drain urine from the kidneys, store it, and then release it during urination.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Rosie.wenger. Confidence votes 4.7K. The kidneys. Nitrogenous waste from the blood is excreted in the form of urine. Kidney. In mammals, the kidneys and bladder are responsible for removing excess nitrogen in the form of Urea. The blood is either visible by the naked eye, known as gross hematuria, or only visible through a microscope. 2  Eitâ¦. 3  The Five Major Parts of the Brain At its most basic, the brain controls the body. 4  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement.