Answer:
Sex cells or gametes - is the reproductive cell of the organisms to continue their races
Explanation:
testes is the primary part of the male reproductive organ system, inside the testes there is a compartment known as seminiferous tubule in which meiosis or sex cell division occured. meanwhile, in female uterus is the primary part of the reproductive organ in which inside the uterus undergo ovarian cycle to produce a matured egg cell before it goes to fallopian tube. ;)