|
Blood Circulation |
Arteries carry blood away from the heart to the tissues of the body. |
Veins carry blood from the tissues of the body back to the heart. |
|
Blood Type |
Arteries carry oxygenated blood expect pulmonary artery. |
Veins carry deoxygenated blood except pulmonary vein. |
|
Thickness |
Arteries have thick elastic muscular walls. |
Veins have thin non elastic less muscular walls. |
|
Position |
Arteries are usually positioned deeper within the body. |
Veins are usually positioned closer beneath the surface of the skin. |
|
Valves |
Valves are absent. |
Valves are present. |
|
Lumen |
These possess narrow lumen. |
These possess wide lumen |
|
Pressure |
Blood flows under high pressure. |
Blood flows under low pressure. |
|
Color |
These are reddish in color. |
These are bluish in color. |
|
Types |
Pulmonary and systemic arteries. |
Superficial veins, deep veins, pulmonary veins and systemic veins. |
|
Internal Diameter |
Narrower (4mm) |
Wider (5mm) |
|
Volume |
Low (15%) |
High (65%) |
|
Movement |
These show spurty movement of blood giving pulse. |
These show sluggish movement of blood. |
|
Pulse |
Pulse is detectable in the arteries. |
Pulse not detectable in the veins. |
|
Walls |
Arterial walls are more rigid. |
Veins have collapsible walls. |
|
Thickest layer |
Tunica media |
Tunica adventitia |
|
Time of Death |
Arteries empty up at the time of death. |
Veins get filled up at time of death. |
|
Oxygen level |
Oxygen levels is quite high in arterial blood. |
Oxygen level is low comparatively. |
|
Carbon-dioxide level |
CO2 level is low in arterial blood. |
CO2 level is high in venous blood. |
|
Injury to the Blood Vessel |
Squirting blood |
Pooling of blood |
|
Contraction of muscle |
Present |
Absent |
|
Diseases |
Atherosclerosis, Angina Pectoris, Artherogenesis- myocardial ischemia. |
Deep vein thrombosis, varicose veins. |
