The veins are what do that i learned it in science class.
There are two circuits: Pulmonary-carries blood to the lungs and back to the heart Systemic-carries blood from the body and back to the heart
The veins carries the blood back to the heart using the circulatory system. It then stores the blood in the arteries and the heart pumps it back around the body.
Inferior vena cava and superior vena cava carries the deozygenated blood from the body to the heart. The pulmonary artery carries blood to the lungs from the heart. the pulmonary VEINS carry blood to the heart from the lungs.
The pulmonary circulation carries blood from the heart to the lungs and back. In the pulmonary circulation, arteries carry deoxygenated blood.
A blood vessel that carries blood back to the heart.
Veins.
The vein carries the blood back to the heart
vein
The inferior vena cava brings blood back to the heart from the lungs.
Veins carry deoxygenated blood from the body back to the heart.
veins
The veins carries blood from the body to the heart.