The two phases of the male sexual response are erection,which allows the penis to penetrate the female vagina,and ejaculation,which propels sperm into the female reproductive tract | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Anatomical Travelogue |
Taille de l’image : | 1812 px × 2100 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|