Concentration (mg/dL) Analysis: Countercurrent Flow II 80 40 90 (64) Concentration of Urea in Filter Regions 58 (3) IV Filter Regions Urea Concentration in Blood • Urea Concentration in Dialysate (26) O> Region I Region II Region III Region IV Region V Diffuses into Blood Blood 90 74 58 42 26 Equilibrium With countercurrent flow, diffusion happened in all regions of the filter. Explain why. Type your answer here Dialysate 64 48 32 16 0 Diffuses into Dialysate

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