Organs
Functions
Diseases
Processes
Fun Facts
100

This organ filters blood to make urine

What are the kidneys?

100

The bladder holds this much urine.

What 400-700mL?

100

When the ability to filter waste and fluids from the blood is lost.

What is renal (kidney) failure?

100

First step in urine formation.

What is filtration?

100

Humans have this number of kidneys.

What is 2?
200

This tube carries urine from kidneys to bladder.

What are ureters?

200

This waste product comes from breaking down proteins.

What is urea?

200

This is an infection of any part of the excretory system.

What is a UTI?

200

Process where useful substances go back into the blood.

What is reabsorption?

200

You can live with this many kidneys.

What is 1?

300
This stores urine before it leaves the body.

What is the bladder?

300

The kidneys help control this in your body (water balance).

What is fluid balance?

300

Diabetes and high blood pressure are leading causes of this disease.

What is renal (kidney) failure?

300

Process where extra wastes are added to urine.

What is secretion?

300

This organ also helps remove waste through sweat.

What is the skin?

400

This tube carries urine out of the body.

What is the urethra?

400

This system works with the excretory system to clean blood and maintain homeostasis.

What is circulatory system?

400

Some symptoms of this disease include: painful/burning sensation with urination, back pain, fever, and nausea.

What is a UTI?

400

The final step when urine leaves the body.

What is excretion (urination)?

400

This color indicates healthy urine.

What is pale yellow?

500

These tiny filtering units are inside the kidneys.

What are nephrons?

500

The excretory system removes this type of materials from the body.

What are wastes?

500

These hard mineral deposits form in the kidneys and can cause severe pain when passing through the urinary tract.

What are kidney stones?

500

This happens when the bladder signals it's full.

What is the urination reflex?

500

Kidneys filter about this many liters of blood daily.

What is about 180 liters?

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