AP BIOLOGY

Detailed explanation-1: -All the veins carry deoxygenated blood except the pulmonary vein . It carries oxygenated blood from lungs to the heart.

Detailed explanation-2: -Generally, veins carry deoxygenated blood from the body to the heart, where it can be sent to the lungs. The exception is the network of pulmonary veins, which take oxygenated blood from the lungs to the heart.

Detailed explanation-3: -The arteries (red) carry oxygen and nutrients away from your heart, to your body’s tissues. The veins (blue) take oxygen-poor blood back to the heart.

Detailed explanation-4: -Most arteries carry oxygenated blood, and most veins carry deoxygenated blood; the pulmonary arteries and veins are the exceptions to this rule.

Detailed explanation-5: -Veins are blood vessels designed to drain blood from various parts of the body and bring it to the heart for pumping. SO, all veins carry blood towards the heart.