Albert Vein Institute - AVI - YOUR BODY IS AMAZING! EVER WONDER WHY ARE YOUR VEINS BLUE? Your veins are blue because they are showing the color of deoxygenated blood. When your
Science: evidence is intelligence - If Blood Is Red, Why Are Veins Blue? 'Blood is always red, actually. Veins look blue because light has to penetrate the skin to illuminate them, blue
![Curiosity on X: "Your blood is never not red. The blue blood idea is a myth; here's how it started: https://t.co/q29t5eXxYn http://t.co/lfdRQtiSPZ" / X Curiosity on X: "Your blood is never not red. The blue blood idea is a myth; here's how it started: https://t.co/q29t5eXxYn http://t.co/lfdRQtiSPZ" / X](https://pbs.twimg.com/media/B3huLs6CcAAHppP.png)