The scrotum protects them.
We get in shape, keep a set goal, motivation, blood flow, makes your mental better
Muscles are also necessary for movement: They're the masses of tough, elastic tissue that pull our bones when we move. Together, our bones, muscles, and joints — along with tendons, ligaments, and cartilage — form our musculoskeletal system and enable us to do everyday physical activities.
There actually is some starting to show in the media :)
