[ Looking up from his project provides a nice surprise, one of the ones he worked with in the city again! The pink one this time. His tail actually wags a little from the recognition but his conscious mind is busy digesting her explanation. ]

Veins then, not intestines, this makes more sense.

[ Slipping a claw further into the case he pries out the circuit board, head tilting. ]

Then this is the heart. The... electricity? It comes from here the strongest.