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Is Blood Red Or Blue? [Solved]

Each hemoglobin molecule includes a protein called heme that contains iron. When iron reacts to oxygen, it becomes red. That interaction is what gives blood its red color.5 May 2022

Your blood is red, so why are your veins blue?

What happens in our body that make our veins look

What Color is Your Blood?

What color is your

Blue Blood and Red Blood

Some people think venous