1. The Kidney Control of urine volume and concentration

2. Region of nephron Activity Bowman’s capsule

3. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood

4. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule

5. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis

6. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes

7. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle

8. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb

9. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule

10. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na +

11. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na +

12. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na + Faculative reabsorbtion of water under control of ADH

13. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na + Faculative reabsorbtion of water under control of ADH Secretion of H + , NH4 + , urea,creatinine and some drugs

14. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na + Faculative reabsorbtion of water under control of ADH Secretion of H + , NH4 + , urea,creatinine and some drugs Collecting duct

15. Region of nephron Activity Bowman’s capsule Ultrafiltration of blood in the glomerulus under hydrostatic pressure produces an ultrfiltrate free of plama proteins and cellular elements of the blood First convoluted tubule reabsorbtion of water by osmosis Reabsorbtion of solutes such as Na + , K + , Cl - , HCO3 - , aa and glucose by a mixture of active and passive processes Loop of Henle Active secretion of chloride ions from ultrafiltrate inascending limb Second convoluted tubule Reabsorption of Na + Faculative reabsorbtion of water under control of ADH Secretion of H + , NH4 + , urea,creatinine and some drugs Collecting duct Faculative reabsorbtion of water under control of ADH

17. normal water potential of blood

18. normal water potential of blood receptors in hypothalamus becomes less negative

19. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts becomes less negative less ADH produced

20. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed becomes less negative less ADH produced

21. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed becomes less negative less ADH produced

22. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed blood water potential becomes more negative becomes less negative less ADH produced

23. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed blood water potential becomes more negative becomes less negative less ADH produced becomes more negative

24. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed blood water potential becomes more negative becomes less negative less ADH produced becomes more negative more ADH released

25. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed blood water potential becomes more negative becomes less negative less ADH produced becomes more negative more ADH released more water reabsorbed

26. normal water potential of blood receptors in hypothalamus second convoluted tubule and collecting ducts less water reabsorbed blood water potential becomes more negative becomes less negative less ADH produced becomes more negative more ADH released more water reabsorbed blood water potential becomes less negative