What determines gender in humans

If they alive private parts if they dead the skull can determine the gender and also the pelvis

there are two distinctions of genders in humans, one is biological and the other is socially constructed.

biologically, man and women are distinguish by the gonads, such are men posses Penis and and women have Vaginas. secondly, through penis men produces sperm which is necessary for fertilization, while women have ovum which is serves as the carrier of sperm and produces a new young ones after, sperm meets egg.

socially men and women are constructed as men are to face the social world while women have to care for the family and house.