- Thick walls with muscles present
- a lot of elastic tissues
- Small lumen
- no valves except in the pulmonary artery and aorta
- ablt to constrict
- not permeable
- carries blood FROM heart
- carries oxygenated blood
- withstands high pressure
- blood moves in pulses
Vein
- Thinner wall muscles present
- some elastic tissues
- larger lumen
- has semi lunar vales throughout
- cannot constrict
- not permeable
- carries blood TO heart
- carries deoxygenated blood
- low pressure
- no pulses
Capillary
- Thinnest wall with no muscles present
- no elastic tissue
- larger lumen
- no vales
- cannot constrict
- permeable
- carries blood to ad from the heart
- carries both oxygenated and deoxygenated blood
- pressure in between veins and arteries
- no pulses
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