Aristotle, the Greek philosopher, had a theory that the heart was a blood-cooling mechanism.
                    举一反三
- Aristotle was an ancient Greek _________. A: philosopher B: artist C: scientist D: educator
 - 中国大学MOOC: It was the Greek philosopher Aristotle who proposed the concept of “the citizen of the world”.
 - Which of the following philosophies can be traced back to the ancient Greek philosopher Aristotle? A: Socialism B: Individualism C: Collectivism D: Anarchism
 - Aristotle’s classical category theory has had a profound impact on ________.
 - The Greek root hemat- means relating to ( ). A: The head B: The heart C: The blood D: The lungs
 
