original: because the neck is not externally visible , the head and body appear to merge together .
simplifications: because the neck is not externally visible , the head and body appear to merge together . the neck is not externally visible so the head and body appear to merge together . because the neck is not externally visible , the head and body appear to merge together . as the neck is not externally visible , the head and body appear to merge together . the head and body appear to be united together as if there is no neck , because the neck is too short to see externally . because the neck is not externally visible , the head and body appear to merge together . because the neck is not visible on the outside , the head and body appear to join together . because the neck is not visible from the outside , the head and body appear to merge together .