Final answer:
The lactiferous ducts in each breast have their own opening at the nipple. Breast milk is produced by the mammary glands and moves from the alveoli through the lactiferous ducts. The nipple is surrounded by the areola, which secretes an oily fluid.
Step-by-step explanation:
The lactiferous ducts in each breast have their own opening at the nipple. The lactiferous ducts in each breast have their own opening at the nipple. Breast milk is produced by the mammary glands and moves from the alveoli through the lactiferous ducts. The nipple is surrounded by the areola, which secretes an oily fluid.
Breast milk is produced by the mammary glands, and it moves from the alveoli through the lactiferous ducts to the nipple. The nipple is surrounded by a darker area called the areola, which contains glands that secrete an oily fluid to protect the nipple during breastfeeding.