Arteries Veins Capillaries

What makes up around 55% of the blood?

• Plasma

• Red Blood Cells

• White Blood Cells

• Platelets

What carries oxygen around the body?

• Plasma

• Red Blood Cells

• Platelets

• White Blood Cells

How many different types of blood vessels are in our bodies?

• 1

• 5

• 3

• 2

These carry blood to the heart:

• arteries
• veins
• capillaries
• arterioles

These carry blood away from the heart

• arteries
• veins
• venules
• capillaries

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

Oxygen and carbon dioxide are transported between the blood and alveoli by way of

• exocytosis and endocytosis by endothelial cells

• diffusion from areas of higher concentration to lower concentration

• pinocytosis using fluid-filled vesicles

• active transport (using ATP) by protein carriers of endothelial cells

What is the space between the structure of a blood vessel?

• Artery
• Lumen
• Gap
• Loomen