With respect to Galen's notion of spirits, the brain is to ______ spirits as the ______ is to natural spirits.
A) vital; heart
B) vital; liver
C) animal; liver
D) animal; heart

Question

Quizplus · Accepted Answer

Galen's medical theories posited that the liver was the source of natural spirits, which were then vitalized by the heart into vital spirits. The brain was thought to transform these into animal spirits, responsible for sensation and movement.

With Respect to Galen's Notion of Spirits, the Brain Is