Once upon a time… Life – The body sentinels (1 of 3)

Episode 3. I do not own any copyrights. The owner of this serie is: www.procidis.com IF YOU WANT TO BUY THE DVD COLLECTION READ BELOW: Some people have asked me how to get the English version of this show. There is not an English version for sale, but other countries DVDs include English audio, an example is the French DVD collection: www.amazon.fr Or the German one: www.amazon.de These DVDs are Region 2, so only can be played in European DVD players. If you live outside Europe you can play these DVDs getting a Region-Free DVD player, or trying making yours into Region-Free or Multi-Region: www.videohelp.com Or installing a program like “AnyDVD” on your PC to allow you to play any region DVD on it: www.slysoft.com Enjoy! ************UPDATE******************** I have found new pages (in English sites this time) from where to get this series. In the UK: www.amazon.co.uk www.amazon.co.uk In the USA: www.amazon.com ************UPDATE 2******************** Apparently, there are Region 1 (USA & Canada) DVDs of this series (only English language), so if you live there you can play them directly on you current DVD player. You can get them here: www.imavision.com

View full lesson on TED-Ed BETA: ed.ted.com Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work? Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines we’ve invented to block or circumvent that discomfort. Lesson by George Zaidan, animated by Augenblick Studios.

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