differentiate between the lymph nodes and the blood capillaries.
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The circulatory system represents a closed system, with the heart as its central motor, and blood and blood vessels as the other structural elements. ... While the flow of blood through the blood vessels is uninterrupted, the transport of lymphfluid through the lymph vessel system is interrupted by lymph nodes.
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lymph nodes: these are masses of adenoid reticulo endothelial cells,distributed all over the body.but most concentrated in the neck part and in groin areas.
blood capillaries: blood capillaries are spread all over the body they are very thin they join to form venules which further join to form veins. cappilaries have thinest walls so they also help in exchange of gasses
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