This excellent 3.25 minute 3D medical animation beautifully illustratrates the mechanisms underlying our body's continual efforts to sustain and protect us. High blood pressure ladies and type 2 diabetics; pay special attention at .56 second mark on the video to see how surging high blood pressures tear away endothelial lining cells....this is very important to understand. Every point BP can be lowered, also helps your vessel lining structures retain their integrity and not rupture, dissect, tear off in chunks. All of us who have blocked arteries have hearts that have endured everything in the short portrayal. I marvel at how many different strategies our bodies deploy to protect us layer upon layer...until they pile too high. (Which is how we came to meet here : ) This particular animation is appealing because it correctly portrays how alive and fluid our body cells are...they are constantly in motion, moving around, going where they are called. Our arteries are not like PVC piping.....they are like thin cooked spaghetti. Cells don't have hard clam shells but more a jello like exterior which makes it easy for them to pass through one another and throughout the body.