"Yes. Artificial hearts, artificial arms, artificial legs. Not quite everything, but close."

She hesitates briefly as her mind wanders to something less than pleasant and without even thinking about it, she offers, "It's something of a second hobby for me, which has proven useful with the Borg and our android crewman. Although Data is much more pleasant than a Borg drone."

Brains in jars probably not so much. That might verge on creepy and they already have creepy enough.