File talk:Circulatory System en.svg

Random comments
i think that picture is vert good for people to see the circulartory system (86.172.73.244 (talk) 20:35, 4 November 2012 (UTC))

In the dialog box beneath the diagram, it says "Red represents oxygenated blood, blue" and that's it. I assume blue represents blood that isn't oxygenated, but shouldn't the text say so? Dozzzzzzzzzing off (talk) 17:05, 12 July 2013 (UTC)