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Fig. 9 | Theoretical Biology and Medical Modelling

Fig. 9

From: Thermodynamic considerations in renal separation processes

Fig. 9

The separation work requirement (Wsep) for different urine production volumes in the human kidneys, when a person’s blood plasma volume is varied while the amount of blood solutes is kept constant. In this graph, a person who would otherwise contain 3 litres of blood plasma and 291 mmol/l of solutes, as in Table 1, has his blood diluted or concentrated through the addition or removal of water. In other words, this graph effectively depicts changes in the blood plasma concentration fed into the system versus the work requirement associated with urine production volumes

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