Bioengineering 6000 CV Physiology
Kidney
Functional Overview
• Contents:
– Water + urea, NaCL, KCL, phosphates, etc.
– Color and odor product of diet, e.g.,
asparagus
• Process:
– Filter everything out (and take back what is
worth keeping)
– Reabsorption of water and salts
– Secretion of additional unwanted
substances
Bioengineering 6000 CV Physiology
Kidney
Renal Circulation
• Afferent arteriole
• Glomerulus
– 10% of blood crosses to tubule
– 100 ml/minutes
• Efferent arteriole
• Secondary capillaries
– Loops: vasa recta
• Veins