1. How sperm is created.
https://www.youtube.com/watch?v=Fwmx0HdV1wM
2. Why Humans Have Big Butts | Gluteal Anatomy
https://www.youtube.com/watch?v=4bGNm5jqwLg
1. How sperm is created.
https://www.youtube.com/watch?v=Fwmx0HdV1wM
2. Why Humans Have Big Butts | Gluteal Anatomy
https://www.youtube.com/watch?v=4bGNm5jqwLg
Sometimes, you gotta pay to play....