Learn body parts with their article — you'll need it every time you say what hurts.

Italian	English	Italian	English
la testa	the head	lo stomaco	the stomach
gli occhi	the eyes	la pancia	the tummy
l'orecchio	the ear	la schiena	the back
il naso	the nose	la gamba	the leg
la bocca	the mouth	il piede	the foot
il dente	the tooth	la gola	the throat

A handful of body parts have an irregular plural ending in -a — and it's feminine:

• il braccio → le braccia (arms) · il ginocchio → le ginocchia (knees) · il dito → le dita (fingers)

Two more to watch: la mano → le mani (hand is feminine, despite the -o) and l'orecchio → le orecchie.