Because otherwise it would drain out of your fingertips.
from the lungs where does it go back
When your blood comes back to your heart it goes into the right atrium.
Blood and oxgyn
back to the heart
veins bring blood back to the heart. arteries go away from the heart
No, from the heart. The veins carry the blood back to the heart.
After the pulmonary circulation is complete, the blood goes back to the heart.
The blood returns to the heart through veins.
Veins carry blood back to the heart.
The blood vessels that carry blood back to the heart are called veins.(Blood does not return to the heart until it passes through the spleen, where dead blood cells go.)
Remember veins back to the heart. This goes into the heart to deliver oxygen.
Veins take blood back to the heart.