Instructional Video4:08
SciShow

Why You Can't Really Sweat Out Toxins

12th - Higher Ed
The human body has a few built-in methods for getting rid of toxins. Sweating seems like it should be one of them, but it isn't doing as much as you think.
Instructional Video18:45
Kenhub

Eukaryotic cell

Higher Ed
Overview of the cell and its contents.