The graphs below shows the volume of air Jane inhaled and exhaled before and during her exercise.
Explain why Jane inhaled more air while exercising.
3. Key words:
air, inhaled, exhaled explain
As Jane is exercising, her heart is beating faster to supply more oxygen and digested food for the cells to generate more energy and remove carbon dioxide at a faster rate.
Think “gaseous exchange”. Oxygen in, carbon dioxide out.
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Experiment #7 - Forces (Frictional Force)
Experiment #6 - Forces (Frictional Force)
Experiment #5 - Forces (Interactions)