The Skin
The Lungs
The Liver
The Kidneys
Urine Trouble!
100

These structures in the skin help excrete water, salts, and small amounts of urea.

What are sweat glands?

100

The lungs excrete this major metabolic waste product of cellular respiration in exchange for oxygen

What is carbon dioxide?

100

The liver stores this carbohydrate, which can be broken down later when blood glucose levels are low.

What is glycogen?

100
How many kidneys do most people have?

What is 2?

100
If this substance is found in urine, it could indicate diabetes.

What is glucose?

200

This skin process helps regulate body temperature when we are hot

What is sweating/perspiration?

200
Part of the lungs where gas exchange occurs

What is alveoli?

200

The liver contains many of these substances which help break things down.

What are enzymes?

200

These glands sit above each kidney

What are adrenal glands?

200

This disease occurs if the kidneys lose their ability to filter blood.

What is chronic kidney disease?

300

The outer later of skin

What is epidermis?

300

Alcohol can be detected through excretion via the lungs using this instrument

What is a breathalyzer?

300

The liver converts this toxic nitrogenous waste into urea.

What is ammonia?

300

These tubes carry urine from the kidneys to the bladder

What are ureters?

300

If your kidneys fail, this process can filter your blood by being hooked up to a special machine.

What is dialysis?

400

These are three main components of sweat.

What is water, salts, and urea?

400
This substance is also excreted via the lungs 

What is water vapour?

400

The liver helps break down and recycle the components of these cells every 120 days.

What are erythrocytes/red blood cells?

400

This tube carries urine from the bladder to the external environment.

What is the urethra?

400

Name one of the three main steps of urine formation.

What is filtration/reabsorption/secretion?

500

Bacteria living on the skin decompose this substance which produces an odour.

What is urea?

500

These branching tubes carry air from the trachea

What is bronchi?

500

When the liver breaks down this substance from red blood cells, bilirubin is formed which is a component of bile.

What is hemoglobin?

500

These can create blockages in the kidney and make it very painful to pass urine.

What are kidney stones?

500

This cluster of capillaries performs filtration and sounds like the name of a LOTR Elf.

What is the glomerulus?