Who discovered the'circulation of blood'?

 Who discovered the "Circulation of blood"?

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jtobako7 years ago
The guy who's name your teacher wants you to find, I bet ; )
Re-design7 years ago
First guy to cut off his leg or arm.
kelseymh7 years ago
Some guy who just kept going around and around the problem.
Kiteman7 years ago
Homework alert...
Karletto5557 years ago