Blood Oxygen

"Imagine you’re at the gas station filling up your car. The numbers on the pump are whizzing by, but it seems to take much longer than usual to top up the tank. That’s when you notice the leak. You’ve been wasting fuel and money and don’t have a full tank of gas to show for it!"https://school-of-life.net/2025/02/11/6-warning-signs-you-dont-have-enough-oxygen-in-your-blood/