Icefish, aka the family Channichthydiae, survive at 0oC in the Southern Ocean by maintaining blood viscosity at the set point of 3.27 centipoise.
As symbols of the perfection of human form, one might consider the Venus de Milo or Michelangelo’s David. But those don’t show the insides.
Vertebrate eyes work reasonably well, Richard Dawkins conceded, but “it is the principle of the thing that would offend any tidy-minded engineer!”
He shows how water’s properties are interrelated for the apparent purpose of allowing complex life to exist on our planet.