| Brains of limpets and abalones are much simpler than brains of garden snails and slugs in histological differentiation. |
| Our brains are a combination of the two, which are perpetually at war within our skull. |
| You're wracking your brains to try and remember Alan's wonderful effort now, aren't you? |
| We are not able to communicate the activation states of our brains in such a way that they are perfectly replicable by others. |
| I walk towards him, wracking my brains to remember how I know him, or at the very least, a name. |
| Their bodies are in the classroom but their brains are jet-lagged, somewhere in London, and they never left home. |
