Exploring Blood Vessel Structures in the Cardiovascular System

What is the primary function of arteries?

• To carry blood towards the heart

• To carry blood away from the heart

• To facilitate gaseous exchange

• To collect blood from capillaries

Which artery is unique in that it carries deoxygenated blood?

• Aorta

• Coronary artery

• Pulmonary artery

• Carotid artery

What is the function of the pulmonary artery?

• To carry deoxygenated blood to the liver

• To carry oxygenated blood to the brain

• To carry oxygenated blood to the heart

• To carry deoxygenated blood to the lungs

What is the main function of capillaries in the body?

• To regulate blood pressure

• To enable gaseous exchange

• To support the heart's pumping action

• To transport oxygenated blood

Where does the gaseous exchange primarily occur?

• In capillaries

• In veins

• In the heart

• In arteries

How do capillaries facilitate gaseous exchange?

• Through their large diameter

• Through their thick muscular walls

• Through their proximity to the heart

• Through their thin, one-cell thick walls

What is the primary role of veins?

• To oxygenate blood

• To create blood cells

• To carry blood towards the heart

• To carry oxygen-rich blood

Which vein carries oxygenated blood?

• Pulmonary vein

• Jugular vein

• Superior vena cava

• Inferior vena cava

What is the primary difference between arteries and veins?

• Veins carry only oxygenated blood; arteries carry deoxygenated

• Arteries have valves; veins do not

• Veins have valves; arteries do not

• Arteries carry only oxygenated blood; veins carry deoxygenated

Why do veins have valves?

• To decrease blood flow

• To increase blood pressure

• To prevent backflow of blood

• To oxygenate the blood