"see Biological immortallity"@en . . "see Biological immortallity"@en . . . "There is no organism or individual cell that is inviolably immortal. Any life enjoying biological immortality can die if exposed to a toxic environment, or otherwise killed or destroyed."@en . . . "Biological immortality"@en . "There is no organism or individual cell that is inviolably immortal. Any life enjoying biological immortality can die if exposed to a toxic environment, or otherwise killed or destroyed."@en .