Q: What Colour is Blood? Response: The pink shade of blood is a result of the iron present in hemoglobin molecules in purple blood cells. Blood can have distinctive shades of crimson, based on its oxygenation level, proportion of RBCs, and freshness. So, what is the greatest homework help https://andrefyixa.shotblogs.com/the-ultimate-guide-to-homework-help-40696009