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A Moment of Science
octopus
Octopuses use three hearts to keep their bodies well circulated.
Science has come a long way to understanding how the heart works.
Through the early 1600s, physicians believed there were two kinds of blood, one made by the liver and one by the heart...
Ever wonder why it's so tiring just standing around at museums? It's not like your getting tons of exercise. Find out on this Moment of Science.
If you've ever had your blood pressure checked. But did you ever wonder why it's your upper arm that gets the big squeeze, rather than your wrist or your leg?
Swollen Hands and Walking, on today’s Moment of Science. Do your hands swell up when you walk? If they do, it probably has to do with your circulation. The circulatory system is a one way street. Blood flows away from the heart in the arteries, down the arms and legs then back up to the […]
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