How did the ancient Greeks and Romans know that the brain was the part of the body essential for normal functioning?

A) They performed carefully controlled experiments similar to those conducted by modern scientists.
B) They assumed the brain was important based on knowledge passed down from earlier civilizations.
C) They observed that people who had suffered blows to the head often lost consciousness or had behavioral changes.
D) They assumed that the heart was the center of the body responsible for normal functioning.

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Michael Babumba · Accepted Answer

Final Answer : C, Explanation :  The ancient Greeks and Romans deduced the importance of the brain for normal functioning through observation, particularly noting the effects of head injuries on consciousness and behavior. This empirical approach, based on direct observation of injuries and their outcomes, helped them understand the brain's central role in controlling the body's functions, despite the lack of sophisticated experimental methods available to modern science.

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