BI-1030
Aerobic respiration
Biology · Secondary 3 · Medium · Aerobic respiration
When a person starts running, their breathing rate increases. Which statement best explains this change in terms of respiration?
- Muscles need more oxygen for increased aerobic respiration to release energy.
- Muscles stop respiring so more air must be taken in.
- Less carbon dioxide is produced so breathing must speed up.
- The lungs become smaller and need more air to fill them.
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