Relacionar Columnas how the male reproductive systems worksVersión en línea pasos relacionados con el proceso de las partes del aparato reproductor masculino por Gonzalo Panadero Carramolino 1 Third step 2 Fourth step 3 First step 4 Second step 5 Fifth step The testicles produce testosterone and sperm In the seminal vesicle sperm are mixed with a liquid to form semen Semen enters the urethra inside the penis to be ejaculated Mature sperm pass into the vas deferens The prostate gland protects and give nutrients to the sperm