The five body parts below can be expanded according to a certain pattern to form four related phrases. What's the pattern, what are the phrases, and how are they related?

TOE
EYE
FACE
NOSE
HEAD

Answer:

The pattern is to repeat the word - with "to" in between:

TOE TO TOE
EYE TO EYE
FACE TO FACE
NOSE TO NOSE
HEAD TO HEAD

All five phrases refer to direct confrontation.