@pearlzmd: What blood flow actually looks like inside your body. Red blood cells stream through a glowing blood vessel, carrying oxygen to tissues and organs. Medical animation makes cardiovascular physiology and pathophysiology easier to understand for exams and studying. medical animation blood flow red blood cells RBC circulation oxygen transport cardiovascular physiology hemodynamics arteries and veins capillary circulation pathophysiology medical school nursing school premed USMLE Step 1 Step 2 CK NCLEX COMLEX MCAT study tool board exam prep