An erection will involve the advanced interaction of muscles, nerves, chemical substances, and blood vessels that do the job in coordination to engorge the penis with blood, such as: Once filled with arterial blood through the helicine arteries, the cavernous sinuses compress the venous drainage through the penis, which manifests https://adsbookmark.com/story19737173/getting-my-filler-for-younger-brother-to-work