Blood Vessels

Question 1

What are the three types of blood vessels and what do they have in common

Answer 1

Arteries,capillaries,veins

They all carry blood tissue

Question 2

Structure of arteries

Answer 2

Thick outer walls of connective tissue
Thick layer of muscles and elastic fibres
Small lumen
No valves are present

Question 3

Functions of arteries

Answer 3

Carry blood away from heart

They are able to withstand high pressure created by heart

Question 4

Structure of capillaries

Answer 4

They have very thin walls

Make up of one layer if endothelial tissue only

Question 5

Function of capillaries

Answer 5

Connect arteries to veins

Allow substances to easily enter and leave the blood by diffusion since they have very thin walls

Question 6

Structure of veins

Answer 6

Thin outer walls
Thin layer of muscles and elastic fibres
Large lumen
Valves are present

Question 7

Function of veins

Answer 7

Carry blood back to heart

Valaves in veins or even back flow of blood

Question 8

What is a capillary bed

Answer 8

Group of capillaries from an ateriole