nephron necklace | silver horizontalDNA_Upsell Each cell makes about a

Each cell makes about a hundred thousand circulatory passes through capillaries narrower than its own diameter before being cleared by macrophages in the spleen

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a transverse foramen on each side that carries the vertebral artery up to the brain

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nephron necklace | silver horizontalDNA_Upsell Each cell makes about aNephron necklace sterling silver The kidneys filter about 180 litres of blood plasma a day between them. The nephron is the unit that does it. Roughly a million per kidney, each one a small, recognisable piece of plumbing that decides what stays and what goes. The Anatomy of the Nephron A nephron starts at the glomerulus, where pressure pushes plasma across a filter into Bowman's capsule. From there it runs through the proximal convoluted tubule