Blood Vessels

Question 1

Describe the structure of the capillaries.

Answer 1

Thin wall
For short diffusion dist.
Narrow lumen

Question 2

Describe the structure of the veins.

Answer 2

Thin muscular walls
Large lumen
Low Blood pressure (deoxygenated)
Valves

Question 3

Describe the structure of the arteries

Answer 3

Thick muscular walls
Large lumen
High Blood pressure