renal vein
hepatic portal vein
pulmonary artery
pulmonary vein
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The selected answer is wrong:
Pulmonary vein can never contain deoxygenatedblod at any point in time. It is the right and left Pulmonary artery that carries deoxygenated blog to the heart for processing and the Pulmonary veins brings it back. All the veins in the body carry deoxygenated blood except the Pulmonary and umbilical veins which is also vice versa for their corresponding arteries.

PULMARY VEIN CARRIES BLOOD FROM THE LUNGS BACK TO THE HEART AT THIS POINT THE BLOOD IS OXGENATEDAND NOT OTHERWISE .be careful myschool

The selected answer is wrong:
Pulmonary vein can never contain deoxygenated blood at any point in time. It is the right and left Pulmonary arteries that carries deoxygenated blood to the lungs for processing and the Pulmonary veins brings it back to the left atrium in the heart. All the veins in the body carry deoxygenated blood to the heart except the Pulmonary and umbilical veins which is also vice versa for their corresponding arteries.

The pulmonary artery carries deoxygenated blood from
the right ventricle into the lungs for oxygenation. The
pulmonary veins carry oxygenated blood from the lungs
into the left atrium to be returned to systemic circulation.
The aorta is the largest artery in the body.


