The penis is rich in sensory nerves that help with sexual stimulation, arousal, and erections. Penises appear in various shapes and sizes, with a mean length of just over 5 inches. Some penises are circumcised, while some are uncircumcised. Summary The penis is a complex organ useful for urination, sexual https://pantip68531.dm-blog.com/35479434/a-secret-weapon-for-filler-for-younger-brother