<prompt> All are true about mammary gland, except -Is a modified sweat glandExtends from 2nd to 6th rib verticallySupplied by internal mammary arteryNipple is supplied by 6th intercostal nerve  <response>: Ans- D Nipple is supplied by 6th intercostal nerve o The nipple is supplied by 4 th intercostal nerve, not 6 th intercostal nerve 