Here are some different resources for different classes. I will update this periodically.
AP Chemistry:
http://www.learnapchemistry.com/
https://apchemistrynmsi.wikispaces.com/AP+Chemistry+Class+Lecture+Notes+AND+instructional+videos
http://www.bozemanscience.com/
http://www.chemtutor.com/
https://www.khanacademy.org/science/chemistry
http://www.chemicalelements.com/
Human Body Systems and Anatomy and Physiology
http://www.innerbody.com/
http://www.getbodysmart.com/
http://www.3dscience.com/3D_Models/Human_Anatomy/
https://www.biodigital.com/
AP Chemistry:
http://www.learnapchemistry.com/
https://apchemistrynmsi.wikispaces.com/AP+Chemistry+Class+Lecture+Notes+AND+instructional+videos
http://www.bozemanscience.com/
http://www.chemtutor.com/
https://www.khanacademy.org/science/chemistry
http://www.chemicalelements.com/
Human Body Systems and Anatomy and Physiology
http://www.innerbody.com/
http://www.getbodysmart.com/
http://www.3dscience.com/3D_Models/Human_Anatomy/
https://www.biodigital.com/