A few of these vessels transfer blood. As your coronary heart beats, it pumps blood with oxygen and nutrients to feed your tissues and have off squander. Arteries shift blood from the guts. Veins return it. Respiratory process. As blood flows through the capillaries during the lungs, carbon dioxide is taken https://www.sgvascularctr.com/a-complete-guide-to-aortic-aneurysm-in-singapore/