SureDenBlood vessels
Blood vessels:
Blood vessels are elastic and muscular tubes that carry blood in vertebrates. Study of blood vessels is called Angiology.
Arteries: That carry blood from heart to different parts of body.
Veins: That carry blood to heart from different parts of body.
Capillaries: Arteries and veins are joined together by them.
Afferent blood vessels: Vessels that supply blood to an organ.
Efferent blood vessels: Vessels that take blood away from any organ.
Difference between arteries and veins:
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Arteries |
Veins |
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Carry blood away from heart to other parts. |
Carry blood from other parts to heart. |
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They carry oxygenated blood except pulmonary artery. |
They carry deoxygenated blood except pulmonaryVein. |
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Blood flows with normal pressure. |
Blood flow is very slow. |
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They have no valves in them. |
They have valves in them. Which act as doors to prevent the backflow of blood, so that blood flows only in one direction. |
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After death, they become empty. |
They are filled with blood even after death. |