Assertion: epidermis's cell | /r/CapableOf | expend their useful life
Facets:
Source sentences:
text: As a cell accumulates keratinohyalin granules, it is thought that rupture of lysosomal membranes (membrane covering lysosomal enzymes) release lysosomal enzymes (Lysosomal enzymes are those enzymes which are responsible for breaking down complex chemicals within a cell which have expended their useful life) that eventually cause cell death (5).