Sex

Sex is usually categorized as female or male but there is variation in the biological attributes that comprise sex and how those attributes are expressed. Gender refers to the socially constructed roles, behaviours, expressions and identities of girls, women, boys, men, and gender-diverse people

Doctor: Name?
Unknown: my name is John
Doctor: Sex?
John: Everyday
Doctor: dude I was talking about your gender
John: Oh! Male.