TP - Tooxy - Human respiration: measuring the volume of oxygen consumed during exercise

Extract from Science Curriculum 4:
Demonstration of oxygen absorption.
Measurement of the quantity of oxygen consumed.
Changes in the quantity of oxygen consumed with physical activity.

Experiment goals:
- Demonstrate and measure a decrease in oxygen content in exhaled air compared to inhaled air.
- Determine the volume of O₂ consumed.
- Analyze quantitative data related to the evolution of oxygen consumption using a spreadsheet.