Q: What Colour is Blood? Solution: The purple colour of blood is a result of the iron present in hemoglobin molecules in crimson blood cells. Blood may have different shades of purple, dependant upon its oxygenation level, proportion of RBCs, and freshness. Here's the listing of frequently requested inquiries https://homework-help55197.therainblog.com/28083403/a-review-of-project-help