1. What is a nipple? The nipple is the protruding part of the female breast and is also one of the characteristics of mammals. It is made up of many cells and tissues, including skin, fat, nerves, blood vessels, and breast ducts. During breastfeeding, breast milk is secreted from the nipples and supplied to the baby. 2. Why do some people think that \”if your nipples are soft, you are 100% not pregnant\”? This kind of saying