ISB ~ 1 Corinthians 12 v21

the head:Paul visualizes the body as the collective person of Christ, with his members compared to anatomical features of the body from top (ears and eyes, 12:16) to bottom (feet, 12:15, 21). The picture changes somewhat in later Pauline letters, where the “head” represents Christ as distinct from his “body”, the Church (Eph 5:23; Col 1:18; 2:19). Paul may have developed the illustration over the years, or perhaps he was using the imagery in different ways in different letters. For a summary discussion, see word study: Head at Eph 5.