Veins and arteries

What are capillaries ?

• Thick tubes that are connected to the heart

• A larger division of veins

• Largest Blood vessels

• Blood vessels that connect arteries to the veins

Blood vessels that return blood to the heart

• Arterioles

• Arteries

• Venules

• Veins

• Capillaries

Blood vessels that carry oxygenated blood away from the heart

• Arterioles

• Arteries

• Veins

• Venules

• Capillaries

Arteries carry oxygen rich blood away from the heart.

• True

• False

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

These carry blood to the heart:

• arteries
• veins
• capillaries
• arterioles

These have muscular walls:

• capillaries
• veins
• venules
• arteries

These have valves that prevent backflow of blood

• arteries
• veins
• arterioles
• capillaries

Gas, nutrient, and waste exchange occur between the __________ and the tissues of the body. 

• veins
• arteries
• capillaries
• legs

In what part of the body are red blood cells made?

• arteries

• veins

• bone marrow

• heart