1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) the use of nuclear magnetic resonance of protons to produce proton density images 2) the sense organ for h___ing and equilibrium 3) a health resort near a spring or at the seaside DOWN 1) a state in new england 2) a reproach for some lapse or misdeed 3) a militant organization of irish nationalists who used terrorism and guerilla warfare in an effort to drive british forces from northern ireland and achieve a united independent ireland ** Scroll down for solution. ** Are you sure you want to peek? mri ear spa