Q for biologists: if we have two kidneys for redundancy, why don't we have two hearts?
-
-
@DanielleFong true, under much higher caloric demand -
@kcfaul maybe not... Efficiency relative to mass flow is pretty close - 1 more reply
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.