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