Please help support Ninja Nerd to continue creating free medical videos. All donations we receive are put directly into content creation so we are able to continue providing these videos for free. Thanks!
We strongly recommend signing up through this page using our default payment processor Stripe, But if you have any issues, please send an email to the address below and we can set you up through PayPal.
Send us your details and we will get back to you with details.
Sorry, but there is currently no illustration available for this video.
Check back again soon, or contact us to find out when they will be available.
During this lecture Professor Zach Murphy will be discussing the male reproductive system, and the physiology relating to erection and ejaculation. We talk about the systems that are responsible for this process as well as how common drugs like viagra are targeting and acting upon this system.