The Cardio-Respiratory System Activity
Category: Fitness · 3-page printable PDF · Ages 9-10 · Free for ConnectedPE members
A laboratory worksheet capturing the body's acute responses to exercise across four measures: heart rate, blood pressure, respiratory rate and tidal volume. Students record each before and after physical activity, define the key terms, and explain the physiological mechanisms behind the changes they observe.
Measuring four variables instead of one builds the systems view — students see cardiovascular and respiratory responses moving together, driven by the same underlying demand for oxygen delivery and carbon dioxide removal. The before-after design keeps the practical manageable in a single lesson while still generating real personal data.
Three pages for Year 9–10 and senior secondary. Use it as the opening practical of an exercise-physiology topic — it establishes the measurement vocabulary and baseline concepts the deeper labs (Heart Rate Responses, VO₂max, Circuit Training) build on.
What students learn
Students measure and record cardiorespiratory data, define key terms, and explain acute physiological responses to exercise.
Topics: Exercise Physiology, Cardiovascular, Heart Rate, Lab Activity, Senior Secondary
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