Veins Arteries Capillaries

Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

The thickest and strongest blood vessel is the

• vein

• artery

• capillary

• both veins and capillaries

Valves in veins

• support them

• protect them

• prevent the backward movement inside them

• provide them elesticity

Arteries, veins, and capillaries are the three types of what?

• blood vessels

• muscles

• organs

Tubes that carry USED blood BACK to the heart.

• Veins

• Arteries

• Blood Vessels

• White blood cells

Which type of blood vessel carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

The smallest vessels that exchange gases, nutrients, and waste to and from the blood and cells are called:

• Veins

• Capillaries

• Arteries

What is the main difference between arteries and veins?

• Arteries carry blood to the heart, veins carry blood away from the heart

• Arteries carry oxygenated blood, veins carry deoxygenated blood

• Arteries have valves, veins do not

• Arteries have thinner walls than veins

A tiny blood vessel that allows for exchange between the blood and cells in the tissues in the body is called a

• Blood vessel

• Vein

• Capillary

• Artery