GENERAL BODY INFO:
Khan Academy
This site is AMAZING for learning a variety of things including how the body works.
https://www.khanacademy.org/science/health-and-medicine
Bob and Brad Physical Therapy:
https://www.youtube.com/user/physicaltherapyvideo
Gil Hedley:
All things fascia related
https://www.gilhedley.com/
(General talk about fascia – warning, if you’re squeamish, this is not the video for you. He uses cadavers to demonstrate)
https://www.youtube.com/watch?v=_FtSP-tkSug