| Answer | Crossword Clue |
|---|---|
| CPU | Brains of a PC |
| CPUS | PC "brains" |
| CPUS | PC brains |
| DONTBEAHICKDEAD | "If you turn into a zombie, stay out of the damn boondocks -- brains are better in the city!" |
| homos | the genus of bipedal primates that includes modern humans and several extinct forms, distinguished by their large brains and a dependence upon tools |
| endorphin | any of a group of peptides occurring in the brain and other tissues of vertebrates, and resembling opiates, that react with the brain's opiate receptors to raise the pain threshold |
