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Exercise, Carbon Dioxide and Respiration Laboratory Kits

By: Diane Sweeney, Punahou School, Honolulu, HI

Exercise, Carbon Dioxide and Respiration Biology Laboratory Kit
breathing, complex breath mechanism, breath, exhalation, exhaling, breathing efficiency
Exercise, Carbon Dioxide and Respiration Biology Laboratory Kit
breathing, complex breath mechanism, breath, exhalation, exhaling, breathing efficiency
Exercise, Carbon Dioxide and Respiration Biology Laboratory Kit
breathing, complex breath mechanism, breath, exhalation, exhaling, breathing efficiency
Exercise, Carbon Dioxide and Respiration Biology Laboratory Kit
breathing, complex breath mechanism, breath, exhalation, exhaling, breathing efficiency
In the Exercise, Carbon Dioxide and Respiration Biology Student Laboratory Kit, discover the essential relationship between breathing and cellular respiration. Explore the body’s complex biofeedback mechanism.

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Exercise your students’ bodies—and their minds—to discover the essential relationship between breathing and cellular respiration! Students determine the relative amount of carbon dioxide in exhaled air before and after exercise using an acid–base indicator. Which sample contains a greater concentration of CO2? How and why do athletes train to increase their breathing efficiency? Students will answer these questions and explore the complex biofeedback mechanism by which the body uses the production of CO2 and pH to regulate breathing. 

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Developing and using models
Planning and carrying out investigations
Analyzing and interpreting data
Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-LS1.A: Structure and Function
MS-LS1.C: Organization for Matter and Energy Flow in Organisms
HS-LS1.A: Structure and Function
HS-LS1.C: Organization for Matter and Energy Flow in Organisms

Crosscutting Concepts

Patterns
Cause and effect
Scale, proportion, and quantity
Systems and system models
Energy and matter

Performance Expectations

MS-LS1-7. Develop a model to describe how food is rearranged through chemical reactions forming new molecules that support growth and/or release energy as this matter moves through an organism
HS-LS1-3. Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.
HS-LS1-7. Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed, resulting in a net transfer of energy.