The Digestive System: CrashCourse Biology #28

Oh hi! I hope you don’t mind that I’m eating. This is actually just my first course. For my birthday, the writers wrote me a script where I just get to eat! The whole time! And I can’t think of a better way to demonstrate the workings of the digestive system, the series of hollow … “The Digestive System: CrashCourse Biology #28”

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