blood vessels

This blood vessel has muscular walls, and a small lumen. Carries blood away from the heart

• Artery

• Vein

• Capillary

• venule

This blood vessel has a large lumen and thin less muscular walls, it carries blood towards the heart.

• Artery

• Vein

• Capillary

• Arteriole

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

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

Carry blood toward heart; mostly oxygen-poor

• Arteries
• Veins
• Capillaries

These are one cell thick

• arteries

• capillaries

• veins

How are capillaries adapted for their function?

• Have partially permeable walls

• One-cell thick endothelium

• Presence of valves

• Large lumen

Which of the following is the smallest blood vessel?

• Venules

• Arterioles

• Veins

• Capillaries