BANANA: PEEL::

A. Ventricle: heart

B. Door: knob

C. Bark: tree

D. Orange: rind

RUBY: GEM::

A. Baseball: basketball

B. Concert: music

C. Party: house

D. Trophy: prize

BOAT: WAKE::

A. Path: trail

B. Thought: rumination

C. Inspiration: muse

D. Foot: track