text: The<unk>  is the organ that makes gametes. The<unk> s in males are the testes and the<unk> s in females are the ovaries. The product, gametes, are haploid germ cells. For example, sperm and egg cells are gametes. Although medically the<unk>  term can refer to either male<unk> s (testicles) or female<unk> s (ovaries), the vernacular, or slang use of<unk> s" (or "nads") usually only refers to the testicles.
option_0: Gonad
option_1: Sex organ
option_2: Ovary
option_3: Callus
option_4: Breast
option_5: Hymen
option_6: Endometrium
option_7: Operon