How much do you know about 10 small questions about breasts? Is breast an organ? Yes. The so-called organ means that it can perform certain functions, and the function of breast is to secrete milk. Milk is produced in the lobule of the breast and then secreted along the small duct in the breast to the nipple opening. Why can’t men lactation? Because there are no breast lobules in their breasts. 2. How heavy are breasts? Normal one breast generally weighs only 150 ~ 200 g (far lower than our expectation), but breast-feeding women can weigh more than 500 g on one breast alone. This is why girls with large breasts have the problem of waist soreness and backache, because Read More …