ręce

In a sentence

• Mam czyste ręce.

  I have clean hands.

  Here, 'ręce' refers to the person's own hands in a literal and physical sense.

• Podaj mi coś, co mam włożyć do rąk.

  Pass me something to hold in my hands.

  In this context, 'ręce' is used to mean the hands as functional tools to hold or grasp objects.

• Moje ręce bolą po noszeniu ciężarów.

  My hands hurt after carrying heavy weights.

  Here, 'ręce' refers to the hands in terms of experiencing physical sensation or fatigue.