Blood Vessels

Arteries have

• thick wall and narrow lumen

• thick wall and wide lumen

• thin wall and wide lumen

• thin wall and narrow lumen

_____________ have valves.

• Arteries

• Veins

• capillaries

_________________ are deep.

• Capillaries

• Veins

• Arteries

Arteries _________________.

• carry oxygenated blood except the pulmonary artery

• permit the exchange of materials

• carry deoxygenated blood except the pulmonary veins

Veins carry blood _______________

• back to heart

• away of heart

• inside the heart

Arteries are more elastic than veins.

• True

• False

Blood vessels, heart and blood form the ____________.

• Respiratory system

• Muscular system

• Circulatory System

The function of the cardiovascular system is to _______________.

• take in oxygen and remove carbon dioxide

• remove waste products

• transport O2 + nutrients and remove CO2 + wastes

Blood flows from

• arteries to capillaries then to veins

• veins to capillaries then to arteries

• capillaries to arteries to veins

Arteries, veins and capillaries are ______________

• three organs of circulatory system

• three types of blood vessels

• three types of blood components