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The Circulatory System, image, image, image, image, image, image - Coggle…
The Circulatory System
Blood
plasma
transports nutrients, CO2, urea, glucose, hormones, amino acids
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Blood vessels
Veins
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Structure: Has a large lumen with a thin cell wall, is less elastic or muscle, and contains valves to prevent backflow.
Capillaries
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Structure: Thin cell wall that may contain pores, basement membrane is permeable
Arteries
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Structure: Small lumen, thick muscular wall & fibrous outer layer, lots of muscle & elastic fibers
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Function
Transport substances such as nutrients, antibodies, hormones and oxygen around the body.
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