The Cerebrum is the largest part of the brain and is responsible of logic an problem solving (Photo: Henry Vandyke Carter / Public domain)
https://upload.wikimedia.org/wikipedia/commons/f/fc/Gray677.png
his image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason: