Blood vessels

The blood vessel that has the largest diameter is

• vein

• artery

• capillary

The blood vessel that has valves at intervals...

• capillary

• artery

• vein

• none of the above

These are one cell thick

• arteries

• capillaries

• veins

In general these carry blood away from the heart

• arteries

• veins

• venules

• capillaries

In general these carry blood to the heart:

• arteries

• veins

• capillaries

• arterioles

These have valves that prevent backflow of blood

• arteries
• veins
• arterioles
• capillaries

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

• arteries

• veins

• venules

• capillaries

Largest artery in the human body:

• Pulmonary artery
• femoral artery
• aorta
• carotid artery

Where pressure is the highest

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

Contract and expand with the heart beat:

• arteries
• veins
• venules
• capillaries