Veins

?
  • Created by: Emma
  • Created on: 08-05-13 18:16
How are veins formed?
By capillaries that join up
1 of 5
What is the pressure like in the veins?
Low pressure, so the walls dont need to be very thick
2 of 5
What is the lumen like in veins?
It is large to help the blood flow despite the low pressure
3 of 5
Do veins have valves?
Yes
4 of 5
Why do veins have valves?
To keep the blood flowing in the right direction
5 of 5

Other cards in this set

Card 2

Front

What is the pressure like in the veins?

Back

Low pressure, so the walls dont need to be very thick

Card 3

Front

What is the lumen like in veins?

Back

Preview of the front of card 3

Card 4

Front

Do veins have valves?

Back

Preview of the front of card 4

Card 5

Front

Why do veins have valves?

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Circulation resources »