Veins and Arteries

Human blood vessels are

• artries, capillaries, and atria

• ventricles, atria and pulmonary veins

• capillaries, artries, and veins

• veins, artries, and aorta

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

which of the blood vessels do you think have greatest blood pressure

• veins

• capillaries

• atria

• arteries

Arteries carry blood ____________________, veins carry blood _________________

• back to the heart, away from the heart

• away from the heart, back to the heart

• to outer space, back to Earth

• to the front office, to Ms. Lee's room

How are arteries and veins different?

• One is bigger than the other.

• The arteries carry more blood than the veins.

• The arteries carry blood away from the heart while veins carry blood to the heart.

• The veins carry blood away from the heart while arteries carry blood to the heart.

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

• Veins

• Arteries

• Capillaries

• Venules

Tubes that carry USED blood BACK to the heart.

• Veins

• Arteries

• Blood Vessels

• White blood cells

Which blood vessel carries oxygenated blood from the heart to the rest of the body?

• Pulmonary artery

• Pulmonary vein

• Aorta

• Vena cava

These have muscular walls:

• capillaries

• veins

• venules

• arteries