Introduction
Circulatory
Respiratory
Digestive
Miscellaneous
100

This system is made up of a variety of glands including the thyroid and pituitary that secrete hormones.

What is the endocrine system?

100

The type of blood cells involved in immune response.

What are white blood cells? 

100

The site of gas exchange.

What is the alveoli? 
100

This intestine has the larger diameter.

What is the large intestine?

100

This diet involves eating like a caveman/woman.

What is the paleo diet. 

200

The system of the body including the spinal cord. 

What is the nervous system?

200

The term for the branch of the circulatory system that connects the heart to the lungs.

What is pulmonary?

200

This large muscle contracts to create more space in the rib cage, facilitating inhalation. 

What is the diaphragm?

200

This is the site of most nutrient absorption.

What is the small intestine?

200

The type of diet with the motto "If you cook it, you kill it."

What is a raw food diet?

300
Your body using sweat to cool itself down and regulate body temperature is an example of what concept meaning a "dynamic balance."

What is homeostasis?

300

The chambers of the heart that receive blood. 

What are the atria?
300

The anatomical name for the windpipe.

What is the trachea?

300

The term describing the rhythmic contraction of the esophagus that moves food. 

What is peristalsis?

300

This type of scan was used to measure body composition in Marathon Challenge.

What is DEXA? 

400

The system of the body containing the spleen. 

What is the lymphatic system?

400

This binds with iron to help transport oxygen.

What is hemoglobin?

400

The process that occurs in the lungs as a result of the concentration gradients between oxygen and carbon dioxide.

What is diffusion?

400

The gallbladder, liver and pancreas don't ever receive food but are part of the digestive system. They are examples of this.

What is an accessory organ?
400

This is the term for the state your body goes into when you eat a very low carbohydrate diet.

What is ketosis?

500

This is the type of loop involved in most homeostatic mechanisms in our bodies.

What is a negative feedback loop?

500

Along with heart rate, this is used to calculate "cardiac output".

What is stroke volume?

500
What COPD stands for.

What is chronic obstructive pulmonary disease?

500

These two organs are the site of mechanical digestion. 

What are the mouth and stomach?

500
According to Supersize Me, this is the fattest state in America. 

What is Mississippi?