0 (the scientific study of) the way in which the bodies of living things work -- fisiología
1 the science that studies that way in which the bodies of living things function -- Fisiología
the Department of Physiology.
2 the way that the body of a person or animal functions -- Fisiología
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.