Masanin dabi’ar halitta mutum ne da ke nazarin tsari, tsari, da alakar sassan jiki, gabobin jiki, da kyallen jikin halittu masu rai, musamman mutane da dabbobi. Suna amfani da dabaru da hanyoyi daban-daban don bincikar jiki, gami da rarrabawa, fasahar hoto, da bincike mai zurfi, don ƙarin fahimtar yadda jiki ke aiki da yadda cututtuka ke shafar shi. Masana ilimin halitta na iya aiki a wurare daban-daban, gami da makarantun likitanci, cibiyoyin bincike, da ƙungiyoyin kiwon lafiya, kuma suna iya ƙware a fannonin kamar su kwatankwacin jikin mutum, haɓakar jikin mutum, ko neuroanatomy.