The structures that make reproduction possible are referred to as ______.

A) personal fables.
B) primary sex characteristics.
C) secondary sex characteristics.
D) epiphyseal closures.

Primary Sex Characteristics

The physical structures directly involved in reproduction, such as the ovaries in females and testes in males.

Reproduction

The biological process by which new individual organisms are produced, either asexually from a single parent organism or sexually from two parent organisms.