Crash Course Video: The Excretory System

What is homeostasis?

True or False? All of your bodies systems work together to maintain homeostasis in your body?

• true

• false

• neither

• both

Which of the following is not one of the main parts of the excretory system?

• kidney

• colon

• bladder

• ureters

• urethra

When is your body working to maintain homeostasis?

• once a week

• every other day

• all the time

• only when you are sleeping

True or false? Ammonia is toxic.

• true

• false

• neither

• both

Mammals convert ammonia into (a)   .

What is the white stuff found in bird poop?

• uric acid

• proteins

• calcium

• ammonia

On an average day, your kidneys filter (a)   liters of fluid from your blood.

About (a)   liters of fluid is peed out after being filtered on an average day.

What is a nephron?