De-oxygenated” blood is returning to the lungs with the hemoglobin depleted of oxygen (absorbed by the cells). The blood will also be carrying the resulting carbon dioxide back to the lungs for exhalation.

Venous blood is deoxygenated blood which travels from the peripheral vessels, through the venous system into the right atrium of the heart.
⚠️ Disclaimer:
The content on LabTestsGuide.com is for informational and educational purposes only. We do not guarantee the accuracy, completeness, or timeliness of the information provided. Always consult qualified healthcare professionals for medical advice, diagnosis, or treatment. LabTestsGuide.com is not liable for any decisions made based on the information on this site.