Digestive System
Excretory System
Circulatory System
Respiratory System
Mixed Bag
100
This is another name for your "food tube".
What is the esophagus?
100
The major organs of this system.
What are the kidneys?
100

Where red blood cells are made.

What is the bone marrow?

100
Another word for windpipe.
What is the trachea?
100

This enzyme breaks down carbohydrates in the mouth.  

What is salivary amylase?  

200
This is the organ that has over 500 functions and maybe more to be discovered.
What is the liver.
200
The waste your kidneys make.
What is urine?
200
The blood vessels that take blood away from the heart.
What are arteries?
200
The muscle that help your lungs move up and down.
What is the diaphragm?
200
The flap that keeps you from choking when you swallow.
What is the epiglottis?
300
The bag-like organ that is located at the end of the esophagus.
What is the stomach?
300

These are the functional units of the Kidneys. 

What are nephrons?

300
The three main parts of the circulatory system.
What are the blood vessels, heart, and blood?
300
Located at the end of the bronchioles.
What are alveoli?
300
The organ that stores bile.
What is gall bladder
400

Where most absorption of nutrients takes place.

What is the small intestine?

400
These connect the kidneys and bladder.
What are ureters?
400

This is the largest artery in the body. 

What is the aorta?

400
Where oxygen and carbon dioxide enter and exit the blood stream.
What are the alveoli?
400
The organs that send chemicals to the small intestine to help digest food.
What are the pancreas and liver?
500

This is where nutrients are delivered to your blood.

What are the villi?

500

Without these, the body can only mechanically digest food.  

What are enzymes?

500

These are the largest veins of the body.

What are the superior and inferior vena cava?

500
Surrounds the alveoli.
What are capillaries?
500
The two organs that filter the blood.
What are the liver and kidneys?
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