Blood Vessels

Front

What is the function of the pulmonary vein?

Back

The pulmonary vein carries oxygenated blood from the lungs to the heart.

Front

What is vasoconstriction?

Back

Vasoconstriction is the narrowing of blood vessels, which helps retain heat in the body.

Front

What direction do arteries carry blood?

Back

Arteries carry blood away from the heart.

Front

What is unique about pulmonary veins compared to other veins?

Back

Pulmonary veins are the only veins that carry oxygenated blood back to the heart.

Front

What is the largest artery in the human body?

Back

The aorta is the largest artery in the human body.

Front

What is the role of the aorta in the circulatory system?

Back

The aorta distributes oxygenated blood from the heart to the rest of the body.

Front

What is the difference between arteries and veins?

Back

Arteries carry blood away from the heart, while veins carry blood towards the heart.

Front

What is vasodilation?

Back

Vasodilation is the widening of blood vessels, which increases blood flow and can help release heat.

Front

What are capillaries?

Back

Capillaries are small blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and waste occurs.

Front

What is the function of the vena cava?

Back

The vena cava carries deoxygenated blood from the body back to the heart.