One of Galen's most important contributions was the insight that the brain, not the heart, controlled the body.

盖伦有项极为重要的贡献就是洞悉了大脑——而非心脏——才是控制身体的主宰。

The valves in the heart control how quickly the blood is pumped around the body.

【control】心脏瓣膜控制着血液输送到身体各处的速度。