Commons:Deletion requests/File:Human Heart and Circulatory System.png
It is inaccurate. This image shows red (oxygenated) blood leaving the pulmonary arteries, and blue (deoxgenated) blood returning to the heart by way of the pulmonary veins. The red and blue colors should be switched in these particular vessels. Medically speaking, this is a huge error. 24.60.153.148 22:03, 4 July 2014 (UTC)
This is a common color code: http://www.pinterest.com/spelloutloud/human-body-circulatory-system/ WhatIfWeCould (talk) 16:05, 6 July 2014 (UTC)
Here are additional examples. You don't know what you're talking about: https://www.google.com/search?q=heart+diagram+blue+red&safe=off&es_sm=122&source=lnms&tbm=isch&sa=X&ei=AXS5U562D4-fyATBjYA4&ved=0CAgQ_AUoAQ&biw=1920&bih=971
Here the file is used on NationalGeographic.com http://phenomena.nationalgeographic.com/2013/05/28/will-we-ever-be-able-to-heal-damaged-hearts/ WhatIfWeCould (talk) 16:08, 6 July 2014 (UTC)
Deleted: image from National Geographic Ellin Beltz (talk) 17:50, 16 July 2014 (UTC)