The helicine arteries then fill the corpora cavernosa, compressing the venous outflow within the penis. This method is known as the veno-occlusive mechanism and it final results with penile erection. Urination Urination is the release of urine (pee) from the body. This happens when urine passes from the bladder from https://google-sites26813.newsbloger.com/36132436/service-secrets