Function
How many functions does the excretory system have?
4
What is the job of the kidneys?
Filter your blood and remove wastes from it.
What is urea?
A compound produced in the liver.
How does the excretory maintain homeostasis?
It maintains homeostasis by keeping the internal environment stable and regulating acid levels.
Name two diseases that we discussed today that occur in the excretory system.
Kidney disease and kidney failure.
How does the excretory system maintain salt levels?
Through sweating.
What are the 2 narrow tubes that carry the urine?
Ureters
Where do ureters carry the urine?
To the urinary bladder
How do kidneys help maintain homeostasis?
By regulating concentration and volume of body fluids.
How do you treat kidney failure?
You can get a kidney transplant.
What type of chemical concentration does the excretory system maintain?
A steady and balanced chemical concentration.
What is the job of the urinary bladder, and where does urine leave your body from?
Store urine. Leaves through urethra.
True or False: The liver is on the left side of your belly
False
How does getting rid of wastes maintain homeostasis?
It eliminates harmful toxins.
How do you treat kidney stones?
Pain relievers and drinking lots of water to pass the stones are both treatments.
What is produced in the liver as a waste product?
Urea
How are lungs and skin part of the excretory system? What do they do?
The lungs help remove carbon-dioxide and water vapor, and the skin gives off sweat to maintain salt levels.
What is the second step in the process of eliminating wastes?
Urine flows through 2 narrow tubes called ureters.
What is a way that your skin, which is a vital part of the excretory system, helps maintain homeostasis?
Skin gives off bodily sweat to maintain salt levels.
What is the definition of a kidney stone?
The concretion of organic matter in kidneys.
In what form does the excretory system remove wastes?
Urine and feces (solid and liquid)
About how many nephrons do your kidneys have in total (when combined)?
About 2 million
What is the process of eliminating wastes called?
Excretion
Name all organs that help maintain homeostasis in the excretory system.
Kidneys, lungs, skin, and the liver.
How can you prevent excretory diseases? List 3 ways.
Have a low salt, low fat diet, exercise 30 minutes per day, stay hydrated, eat calcium rich foods, and limit animal protein.