The ischiocavernosus muscle helps to stabilize the penis in the course of erection by compressing the crus and slowing the return of blood throughout the veins. The bulbospongiosus muscle also contributes to erection along with the expulsion of urine and semen. The penis would be the male copulatory organ. https://mylesjgasl.activosblog.com/28263210/cock-an-overview