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 Second step 2 Fourth step 3 Third step 4 Fifth step 5 First step Mature sperm pass into the vas deferens In the seminal vesicle sperm are mixed with a liquid to form semen The prostate gland protects and give nutrients to the sperm The testicles produce testosterone and sperm Semen enters the urethra inside the penis to be ejaculated