What is "belly button"?

The belly button, also known as the navel or umbilicus, is a small indentation located in the center of the abdomen. It is a remnant of the umbilical cord that connected an individual to their mother during fetal development. The belly button serves as a unique mark, varying in shape and size among individuals. It is a point of interest and curiosity, often considered an area of sensitivity and vulnerability. While the belly button does not serve a physiological function after birth, it holds symbolic significance as a reminder of our connection to our origins and the beginning of life. The belly button is a distinct feature that adds character and individuality to the human body.