Sex, gender, and gender role are related but distinct concepts that help in understanding human development, identity, and social behavior, especially during adolescence. Sex refers to the biological differences between males and females that are determined at birth. These differences are based on physical and physiological characteristics such as chromosomes, reproductive organs, hormones, and secondary sexual characteristics. Generally, individuals are classified as male or female based on these biological traits, although variations such as intersex conditions show that biological sex is not always strictly binary. Gender is a broader social and cultural concept that refers to the roles, behaviors, activities, expectations, and attributes that a society considers appropriate for men and women. Unlike sex, gender is not purely biological but is shaped by social norms, traditions, cultural beliefs, and personal experiences. Gender influences how individuals see themselves and how they are perceived by others in society. It can vary across cultures and historical periods, and