As your lungs pass oxygen and carbon dioxide in and out of your bloodstream during breathing, the disulfide becomes part of the carbon dioxide that you exhale.
(your lungs; pass; oxygen and carbon dioxide in and out of your bloodstream; T:during breathing) (the disulfide; becomes; part of the carbon dioxide) (the carbon dioxide; exhale; you)
your lungs the disulfide the carbon dioxide
pass becomes exhale
oxygen and carbon dioxide in and out of your bloodstream T:during breathing
part of the carbon dioxide
you