Need BLS, ACLS, PALS,
CPR or First Aid Class
in St. Louis?
Register Now!
Use Calendar Below
or Call Us.
314-600-2075
AHA Training Site

Function of Kidneys overview – outline notes

Call Us Now

Get the Best CPR Class in St. Louis Today!

Urinary System

I. Organs
A. 2 Kidneys

1. Major excretory
organs
2. Filter blood
3. Eliminate nitrogenous waste
a. Creatinine – muscle metabolism, creatine breakdown
b. Urea – amino acid metabolism
c. Uric acid – nucleic acid metabolism
4. Elimination of excess ions, toxins, wastes, etc
5. Regulation of fluids
a. pH balance
1) Kidneys
2) Lungs [CO2]
3) Blood buffering systems
b. Salt/water balance
6. Produces
a. Renin
b. Erythropoietin

B. 2 Ureters

C. 1 Bladder

D. 1 Urethra

II. Nephron
A. 1 million / kidney

B. Functional units of kidney — filter blood to produce urine

C. Structure of a nephron
1. Renal Corpuscle
a. Bowman’s capsule
b. Glomerulus
2. Proximal convoluted tubule
3. Loop of Henle
4. Distal convoluted tubule

Call Us Now

Get the Best CPR Class in St. Louis Today!

5. Collecting duct —- not part of nephron; numerous nephrons drain into a single
collecting duct
6. Peritubular capillaries – surround tubules of nephron

Related Posts