Types,Structures and Functions of blood vessels

Question 1

What is the function of arteries?

Answer 1

To take blood away from the heart to the body

Question 2

What is the function of veins?

Answer 2

To bring blood back to the heart to be pumped to the lungs

Question 3

What type of blood do arteries carry?

Answer 3

oxygenated

Question 4

What type of blood do veins carry?

Answer 4

deoxygenated

Question 5

What is the function of capillaries?

Answer 5

to enable exchange between water, oxygen, CO2, nutrients etc between blood and surrounding tissues. It also picks up waste products

Question 6

What sort of pressure do arteries carry blood under?

Answer 6

High pressure from ventricular contractions- needs to travel around the entire body

Question 7

What sort of pressure do veins carry blood under?

Answer 7

low pressure

Question 8

What is the structure of a capillary?

Answer 8

one cell thick to allow diffusion to take place between blood and surrounding tissues

Question 9

What is the structure of a vein?

Answer 9

thin wall
large lumen (room for blood to flow through)
valves to prevent backflow
gravity and valves assist veins to travel back to the heart

Question 10

What is the structure of an artery?

Answer 10

thick wall (withstand high pressure)
narrow lumen
no valves (will not backflow- essentially travelling downwards)
elastic fibres to help with pressure and control diameter of artery