2015-07-20
[public] 2.03M views, 29.6K likes, 396 dislikes audio only
Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in different types of vessels. We will also follow the flow of blood from your heart to the capillaries in your right thumb, and all the way back to your heart again.
Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: https://apple.co/3d4eyZo
Download it here for Android Devices: https://bit.ly/2SrDulJ
Chapters
Introduction: The Circulatory System 00:00
Blood Vessel Structure: Tunica Intima, Tunica Media, Tunica Externa 2:10
Types of Blood Vessels 3:44
Capillaries Structure & Function 5:25
How Blood Flows From Capillaries to the Heart 7:01
Review 8:39
Credits 9:03
***
Crash Course is now on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse
Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark Brouwer, Jan Schmid, Anna-Ester Volozh, Robert Kunz, Jason A Saslow, Christian Ludvigsen, Chris Peters, Brad Wardell, Beatrice Jin, Roger C. Rocha, Eric Knight, Jessica Simmons, Jeffrey Thompson, Elliot Beter, Today I Found Out, James Craver, Ian Dundore, Jessica Wode, SR Foxley, Sandra Aft, Jacob Ash, Steve Marshall
***SUBBABLE MESSAGES***
TO: Hunter Boyajian
FROM: Chase Boyajian
In the darkest times, hope is something you give yourself.
--
TO: The World
FROM: Andrew Johnstone
Lets all make a podcast
***SUPPORTER THANK YOU!***
Thank you so much to all of our awesome supporters for their contributions to help make Crash Course possible and freely available for everyone forever:
Luke Blackbourn, Tori McClanahan, Evan Gale, Damian Shaw, Sean Riley, Ólafur D. Skúlason, Ho Yin Michael Cheng, Philip Oddie, Silvan Fricker, Stephen DeCubellis
--
Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashCourse
Twitter - http://www.twitter.com/TheCrashCourse
Tumblr - http://thecrashcourse.tumblr.com
Support Crash Course on Patreon: http://patreon.com/crashcourse
CC Kids: http://www.youtube.com/crashcoursekids