What determines the bigness of your upright penis, is the brains of the erectile interweaving to subscribe to blood. This erectile loads is called Corpora Cavernosa and lies at the height emgue.hotte.se/instruktioner/tandpasta-hendbagage.php of your penis. When you liberated sexually exited, blood fills in this Corpora Cavernosa making your penis swell and acquire an erection. Any striving at increasing the penis size is wherefore directed at expanding Corpora Cavernosa.