Follow the Blood · Heart
The same blood, before and after its visit to the lungs.
The blood coming back from your body carries less oxygen than the blood leaving your lungs. Same blood, two states: oxygen-poor heading in, oxygen-rich heading out.
There's more: the same blood, before and after its visit to the lungs. The full explanation — and the interactive version you can tap and quiz yourself on — lives in the app.
Body Atlas is an educational product. It does not provide diagnosis, treatment, or personal medical advice. · Privacy