transplant rejection / allergic reaction

body / physique, constitution, frame / health

to show, to have somebody see / to display, to show, to demonstrate / to indicate, point out, to denote / to indicate (for a measuring device such as a clock to show a value)

internal organs

refusal

refuse

replanting / transplantation of organs / grafting of tissue / porting of software

to replant / to transplant / to graft / to port software

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend