The vascular system consists of arteries, veins and other blood vessels that deliver oxygen and nutrient-rich blood to every cell in your body. The arteries and veins can become damaged over time, hindering blood flow and increasing the risk of chronic disease.
Dr Oz: What Happens When You Die? Have you ever wondered what it really feels like when you die? Dr Oz claimed that, with the help of new research, we have a better look than ever before at what happens during the seven minutes of life. During the final minutes before death, the person will look as if theyâre sleeping. The heart slows, their pulse weakens, and their blood pressure drops.
Though it sounds pretty macabre, it's perfectly normal for your body to go through some radical changes when you die. To begin with, when your heart stops beating, your body's cells and tissues stop receiving oxygen. Brain cells are the first to die -- usually within three to seven minutes [source: Macnair ].