Cardiovascular system - Vascular system

Question 1

What is the order of veins from largest to smallest?

Answer 1

Large vein
Medium sized vein
Venule
Fenestrated capillary

Question 2

What is the order of arteries from largest to smallest?

Answer 2

Elastic artery
Muscular artery
Arteriole
Continuous capillary

Question 3

What are the outer layer of veins and arteries called?

Answer 3

Tunica externa

Question 4

What are the middle layers of veins and arteries called?

Answer 4

Tunica media

Question 5

What are the internal layers of veins and arteries called?

Answer 5

Tunica intima

Question 6

What is the thin membrane that lines the inside of veins and arteries?

Answer 6

Endothelium

Question 7

What are the layers of a venule?

Answer 7

Tunica externa, endothelium

Question 8

What are the layers of a arteriole?

Answer 8

Smooth muscle (tunica media), basement membrane then endothelium

Question 9

What are the layers of capillary’s?

Answer 9

composed of endothelial cells

Question 10

How do the valves in vessels work?

Answer 10

(add image) The flow of blood pushes through them to close them, although in the other directions they are blocked. Similar to one way ramps at car parks