Most Expensive Blood! | Why is our Blood RED?
Why is our blood red? Is red the only color for blood? What is the most Expensive blood type? Why is it Expensive? Why is our veins blue? What is the real color of our veins? Why bruises is reddish, yellowish to purplish?
Join me as we take a look at the hows and whys of our everyday lives. Let us explore the science behind our world and existence.
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