About Peripheral Artery Disease
Your Heart and Blood Vessels
Your heart is about the size of your fist and shaped
something like a pear.
The heart pumps blood to every part of your body
through pipes called arteries. The blood leaves the
heart through a large pipe, the aorta. Smaller and
smaller pipes take blood to every cell.
As it travels, blood brings oxygen and nutrients
to each cell, picking up waste along the way. After
the waste is removed by your kidneys and liver, the
blood goes back through another set of pipes called
veins. The veins carry the blood back to your heart
and lungs to get more oxygen, and the trip starts all
The heart, arteries and veins together are known as
the vascular system.
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