The Nervous System – CrashCourse Biology #26

Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body.

Crash Course Biology is now available on DVD! http://dft.ba/-8bCC

Like CrashCourse on Facebook: http://www.facebook.com/YouTubeCrashCourse
Follow CrashCourse on Twitter: http://www.twitter.com/TheCrashCourse

References for this episode can be found in the Google document here: http://dft.ba/-3a36 Support CrashCourse on Patreon: https://www.patreon.com/crashcourse