Organ Functions
Body Systems
Body by Numbers
Scientific Design
On a molecular level
100

This is the organ that pumps blood around the human body. 

What is the heart? 

100

This is the system with the function of absorbing nutrients from food. 

What is the digestive system?

100

This is the number of hearts in the human body. 

What is one?

100

This is the amount of data that should be collected for results to be meaningful in an experiment. (large or small)

What is large?

100

This is a waste product produced when you exhale, it also turned the indicator yellow in our lab. 

What is carbon dioxide? 

200

This is the organ where nutrients from food are absorbed. 

What is the small intestine?

200

This is what would happen to your pulse after intense exercise. 

What is increase? 

200

This the number of kidneys in the human body. 

What is two? 

200

This is the group in a study that is used for a comparison. 

What is the control group?

200

This is the molecule that is absorbed by the respiratory system. 

What is oxygen? 

300

This structure aids in mechanical digestion of food. 

What are teeth? 

300

This is the system the nose belongs to. 

What is the respiratory system?

300

This is an average resting heart rate. (can be within 20 bpm to get credit) 

What is 60-80 bpm?

300

This is the phenomena when someone reports feeling better after taking 'fake' medicine. 

What is the placebo effect?

300

This is the molecule that is carried by hemoglobin your blood. 

What is oxygen? 

400

This is where blood goes after it leaves the right side of the heart. 

What is the lungs?

400
This is the body system your touch receptors belong to. 

What is the nervous system? 

400

This is the number of categories of 'levels of organization' in the human body. 

What is 4? (cells, tissues, organs, organ systems)

400

This is the process of testing a new medicine on a group of volunteers. 

What is a clinical trial?

400

These are the cells in your body that need nutrients. 

What are 'every cell'? 

500

These are the small blood vessels where oxygen passes from the blood into organs. 

What are capillaries?

500

This is the order of organs food passes through in your body.

What is esophagus, stomach, small intestine, large intestine?

500

This is the number of systems in the human body. 

What is six OR seven? (respiratory, circulatory, digestive, nervous, skeletal/muscular, reproductive)

500

This is why scientists would include a placebo in a clinical trial for a new medicine. 

What is 'so the results of the real medicine can be compared to a control group to see if participants were just imagining they were feeling better'?

500

This is the name of molecule that was added to remove carbon dioxide from the solution. 

What is sodium hydroxide?