The Reproductive System Composition a Internal genital organ a Gonads(sex glands manufacture the sex cells an secrete the sex hormones o Genital ducts transport the sex cells from the site of production into site fertilization o Accessory glands secrete the fluid External genital organThe Reproductive System Composition ◼ Internal genital organ ❑ Gonads (sex glands) －manufacture the sex cells an secrete the sex hormones. ❑ Genital ducts － transport the sex cells from the site of production into site fertilization ❑ Accessory glands －secrete the fluid ◼ External genital organ