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3 Main Processes in the Kidney
1 Fitration
1.1 Incoming blood is filtered
1.1.1 occurs in cortex
1.1.2 wastes and useful products removed
2 Reabsorbion
2.1 Useful products go to bloodstream
2.1.1 occurs in:
2.1.1.1 cortex
2.1.1.2 medulla
3 Secretion
3.1 substance go from blood to cortex
3.1.1 H ions
3.1.1.1 control pH
3.1.2 K ions
