sclerotic_rings on prosthetics that don’t just mimic the body, specifically artificial heart pumps designed with the fact the important part isn’t the method by which the heart pumps blood, but the fact that it keeps it circulating. We have plenty of experience with simpler ways to pump fluids than by imitating heart movements, such as, in this case, a constantly rotating impeller. What’s interesting is that people with this pump have no pulse!.