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Why is our brain in the head?

A truly interesting question which has a simple answer: you need to keep the processing unit of you body real close to the food intake and to the visual and audio sensory system. Almost all life on Earth evolved to have the brains in the head because of this and it seems kinda logical, isn’t it?

In any case, animals on Earth did not evolve to have a brain in the head because evolution said so, but because the animals that had this adaptation thrived more.

Also, learn how the brain grows:

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