Given below are structural details of a human mammary gland: (i) The glandular tissue in the breast has 15-20 clusters of cells called alveoli. (ii) The milk is stored in the lumen of alveoli. (iii) The alveoli join to form the mammary ducts. (iv) Mammary ampulla is connected to lactiferous ducts. Choose the option that gives the correct detail of human mammary gland. (a) (i) and (ii) (b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iii)
