|
|
Artery
|
Vein
|
|
1.
|
Direction of Flow: It carries blood from heart to an organ.
|
It brings blood from an organ towards the heart.
|
|
2.
|
Speed: Blood flow is rapid in artery.
|
Blood flow is slow in vein.
|
|
3.
|
Jerks: Blood flows with jerks.
|
Blood flows smoothly.
|
|
4.
|
Pressure: Blood flows under pressure.
|
There is little pressure.
|
|
5.
|
Internal Valves: They are absent.
|
Internal valves are present to prevent back flow.
|
|
6.
|
Wall: It is thick and elastic.
|
It is comparatively thinner and little elastic.
|
|
7.
|
Lumen: Narrow.
|
Wide.
|
|
8.
|
Type of Blood: Artery carries oxygenated blood except pulmonary arteries.
|
Vein carries deoxygenated blood except pulmonary veins.
|
|
9.
|
Occurrence: It is deep seated.
|
It is superficial.
|
|
10.
|
Collapsibility: Artery is not collapsible.
|
Vein is collapsible.
|
|
11.
|
Blood After Death: It does not contain blood after death.
|
Vein is full of blood even after death.
|