Q: What Colour is Blood? Response: The crimson colour of blood is as a result of iron current in hemoglobin molecules in pink blood cells. Blood might have different shades of pink, determined by its oxygenation amount, percentage of RBCs, and freshness. Disclaimer: Be sure to Take note the reference https://brookshyklx.oblogation.com/27807166/top-guidelines-of-phphelponline-online-help