" that the heart not the liver was the beginning point for the circulation of blood in the body. He also proved that the same blood flows in both veins & arteries. read more
The writings of Ptolemy and Archimedes make it clear that not allancient thinkers agreed with Aristotle. read more
The writings of Ptolemy and Archimedes make it clear that not all ancient thinkers agreed with Aristotle. Ptolemy was a Greco-Egyptian writer of Alexandria. read more