Chisato does not have a biological heart. She was born with a heart defect, and in early life her heart was replaced with an artificial mechanical one.
It comes up several times in the show, that she lacks a heartbeat.
It really depends of type of the pump used and its size. If it’s a big slow one, with a large pistons the sound could be similar to real heart, if its a small one, you’d rather expect something akin to an air compressor.
Chisato does not have a biological heart. She was born with a heart defect, and in early life her heart was replaced with an artificial mechanical one.
It comes up several times in the show, that she lacks a heartbeat.
I wonder what the machinery sounds like.
It really depends of type of the pump used and its size. If it’s a big slow one, with a large pistons the sound could be similar to real heart, if its a small one, you’d rather expect something akin to an air compressor.