Sex (physical / biological characteristic) Sex is the difference between men and women physically or biologically. Men and women have different sex roles and it can not be exchanged between men and women. In this case, women have more sex roles than men. The men sex role is to produce sperm cells. While women sex role is to produce ovum cells, to produce breast milk, and to give birth. Gender (social / cultural) Gender is the difference between men and women based on the culture of society . Gender roles between men and women can be exchanged. For example, in society women are responsible for child care and cooking, while men work to earn a living for his family. But in fact, it all can be exchanged. Sexuality (physical / emotional) Sexuality is defined as sexual orientation, sexual activity, sexual ability, and sexual attraction of a person or an integral part of ourselves, what we believe, what we feel, and how we respond to others. Sexuality can be divided into: