Difference Between Artery Vein And Capillaries Flashcards

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1
Q

Structural differences

A
Artery
Muscular wall: thin 
Lumen: small
Elasticity: slightly
Valves: none except aorta and pulmonary artery 
Permeability: impermeable 
Vein 
Muscular wall:Thin
Lumen:large
Elasticity:little
Valves:throughout vein
Permeability:impermeable 
Capillaries 
Muscular wall: none
Lumen:large
Elasticity:none
Valves:none 
Permeability: permeable
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2
Q

Functional differences

A
Artery 
Transport of blood:from heart to tissue
Type of blood: Oxygenated except pulmonary artery
Rate of blood flow:Fast
Blood pressure: High
Vein
Transport of blood:from tissue to heart 
Type of blood:deoxygenated blood except pulmonary vein 
Rate of blood:slow
Blood pressure:low

Capillaries
Transport of blood:links atrioles and venules
Type of blood transported: gaseous exchange
Rate if blood: slow
Blood pressure:low

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