Refers to biological characteristics that determine whether people have male or female genitalia, whether they menstruate, how much body hair they have, and whether they are able to bear children.

The term that refers to all of the mentioned characteristics in this question is sex or gender.  Although according to some scientists, between the definition of these two terms there are differences, while according to some other scientists, there is no. Differences can therefore be that it distinguishes a person's biological sex - the anatomy of the reproductive system, genitalia and secondary sex characteristics, from the person's gender - personal identification, traits, within person's own gender.