Why Your Blood Changes Color #shorts #lifehacks

When blood is rich in oxygen—like when it leaves your lungs—it’s bright red.
But when it delivers that oxygen to your body and heads back to the lungs?
It turns darker, almost maroon.

It’s the same blood—just carrying different amounts of oxygen! #facts #shorts #viralshorts #viralvideows #sciencefacts #lifehacks #life #science #facts

Видео Why Your Blood Changes Color #shorts #lifehacks канала Life Unlocked