What is the function of the kidneys?

[Paulo2014]

What is the function of the kidneys?

 

[Janus]

Too remove wastes and extra water from the blood stream.

 

[Moonbear]

Is this a homework question? Have you tried looking up an answer to this first?

 

[Paulo2014]

No its not a homwork question its just for general interest and I have tried looking for an answer but nowhere explains it well

 

[berkeman]

No its not a homwork question its just for general interest and I have tried looking for an answer but nowhere explains it well

Well, you didn't try very hard... I just googled kidney function, and got bzillions of hits. Here's the first one:

http://kidney.niddk.nih.gov/kudiseases/pubs/yourkidneys/

Your Kidneys and How They Work
On this page:

What do my kidneys do?
What is renal function?
Why do kidneys fail?
How do kidneys fail?
What are the signs of kidney disease?
What medical tests will my doctor use to detect kidney disease?
What are the stages of kidney disease?
What can I do about kidney disease?
What happens if my kidneys fail completely?
Hope through Research
Points to Remember
For More Information

Your two kidneys are vital organs that perform many functions to keep your blood clean and chemically balanced. Understanding how your kidneys work can help you to keep them healthy.

...

 

[Andy Resnick]

The kidneys have three main functions- to excrete out metabolic products and toxins, play a key role in homeostasis by regulating the body's fluids (electrolyte balance and acid-base balance) and produce important hormones which regulate blood pressure and calcium metabolism.