Here are 10 flashcards on organs: Front: Name, Period, Title Back: Estrella HUMAN, Period 5, Organs Front: What organ digests food? Back: Stomach Front: What organ filters blood? Back: Kidneys Front: What organ regulates blood sugar? Back: Pancreas Front: What organ recycles old red blood cells? Back: Spleen Front: What organ pumps blood through the body? Back: Heart Front: What organ is the center of the nervous system? Back: Brain Front: What organ transfers oxygen to blood and removes carbon dioxide? Back: L