Question

Arteries usually carry oxygenated blood away from the heart. However, the pulmonary artery carries deoxygenated blood. If a defect occurs in this artery, then the possible effect will be on the supply of deoxygenated blood to the . Similarly, a defect in pulmonary veins may lead to a block in the supply of oxygenated blood to the .

Answer 1

The deoxygenated blood will go outside .

I hope helps you

Answer 2

they detoxify the old and damge blood and change to new blood