Definition of exposes:
(v) :
(transitive) To reveal, uncover, make visible, bring to light, introduce (to).
(v) :
(transitive) To subject photographic film to light thereby recording an image.
(v) :
To submit to an active (mostly dangerous) substance like an allergen, ozone, nicotine, solvent, or to any other stress, in order to test the reaction, resistance, etc.
(v) :
(computing, transitive) To make available to other parts of a program, or to other programs.
(v) :
(transitive) To abandon, especially an unwanted baby in the wilderness.