AP BIO circulation#1

Where material exchange takes place between the cells and blood vessels:

• arteries
• veins
• venules
• capillaries

Where pressure is the highest

• arteries closest to the heart
• veins closest to the heart
• capillaries
• venules

The innermost layer of the tunica intima is the

• internal elastic lamina

• vaso vasora

• external elastic lamina

• endothelium

Which type of vessels have the smallest diameter?

• arteries

• venules

• capillaries

• arterioles

How many blood vessel types do humans have?

• 4

• 5

• 3

• 2

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

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

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