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