Sex

Sex refers to the biological and physiological characteristics that define humans and other living organisms as male or female. In a broader context, it encompasses the act of sexual reproduction, where genetic material from two individuals combines to produce offspring. This process can involve various behaviors, including mating rituals and copulation. In humans, sex also has social, emotional, and cultural dimensions, influencing relationships and identity. The study of sex spans multiple disciplines, including biology, psychology, and sociology.
For more information, you can visit the Wikipedia entry on Sex.