Veins And Venules Flashcards
1
Q
What do the veins and venules do
A
Transport deoxygenated blood from muscles/organs back to the heart
2
Q
What happens when the venules leave the capillary bed
A
They reconnect to form veins
3
Q
What is the main vein
A
The vena cava
4
Q
What does the vena cava do
A
Carries slow moving blood at low pressure to the RA
5
Q
What is the structure of the veins
A
Small layer of smooth muscles allows venodilate + venoconstrict maintains slow flow of blood
6
Q
What do the pocket valves do
A
Prevent back flow of the blood
7
Q
What is the structure of venules
A
Small layer of smooth muscle
Allows venoconstrict and venodilate
Slow blood flow
