View full lesson: ed.ted.com/lessons/how-blood-pressure-works-wilfred-manzano If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s tissues. What effect does this pressure have on the walls of the blood vessels? Wilfred Manzano gives the facts on blood pressure. Lesson by Wilfred Manzano, animation by Fox Animation Domination High-Def.

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