> That’s a really interesting point. I wonder if there are “artificial exohearts” or something that we could install on the extremities to keep vital body fluid

> That’s a really interesting point. I wonder if there are “artificial exohearts” or something that we could install on the extremities to keep vital body fluids like blood and lymph flowing when the heart is not strong enough. Isn't that basically a g-suit, like fighter pilots already wear? https://en.wikipedia.org/wiki/G-suit https://en.wikipedia.org/wiki/G-suit Also, from that page: > The resting g-tolerance of a typical person is anywhere from 3–5 g depending on the person.