Some vessels go blood. As your heart beats, it pumps blood with oxygen and nutrients to feed your tissues and carry off waste. Arteries go blood clear of the heart. Veins return it. Respiratory program. As blood flows through the capillaries inside the lungs, carbon dioxide is eradicated and oxygen is https://www.sgvascularctr.com/a-complete-guide-to-aortic-aneurysm-in-singapore/