Organs of Excretion
The Urinary System
Waste Substances
How Urine is Formed
Excretory Disorders
100

This organ removes carbon dioxide and water vapor.

What are the lungs?

100

This liquid waste is made by the kidneys.

What is urine?

100

This waste gas is produced by cellular respiration.

What is carbon dioxide?

100

Blood enters the kidney through this artery.

What is the renal artery?

100

Painful mineral buildup in the kidneys.

What are kidney stones?

200

This organ produces sweat to cool the body and eliminate wastes.

What is the skin?

200

These organs filter blood and make urine.

What are the kidneys?

200

This nitrogen-containing waste is formed when protein is broken down.

What is urea?

200

These structures inside the kidney filter blood.

What are capillaries (or glomerulus/nephrons)?

200

This infection affects parts of the urinary system.

What is a urinary tract infection (UTI)?

300

This organ removes solid waste left over from digestion.

What is the large intestine?

300

This carries urine from the kidney to the bladder.

What are the ureters?

300

Urine removes excess water, salts, and this nitrogen compound.

What is ammonia?

300

Urine collects in these tubes after leaving the kidneys.

What are the ureters?

300

This is needed when kidneys stop working.

What is dialysis?

400

This organ filters toxins from the blood and produces bile.

What is the liver?

400

This stores urine before it leaves the body.

What is the urinary bladder?

400

The liver excretes this protein pigment in bile.

What is bilirubin?

400

The clean blood exits the kidney through this vein.

What is the renal vein?

400

These symptoms may indicate a kidney stone (name two).

What are pain while urinating, blood in urine, sharp pain in back or abdomen?

500

This organ system works independently, unlike others that function together.

What is the excretory system?

500

These are the tiny filtering units in the kidneys.

What are nephrons?

500

The glomerulus helps filter out substances like this from the blood.

What is urea (also accept: salts, sugars, water)?

500

This pressure pushes waste out of the blood into the nephron.

What is blood pressure?

500

Name two causes of kidney failure.

What are injury, blood loss, or toxins/drugs?

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