Biology for IGCSE & O level - Respiration (Section 3 - No. 32)
Why do sprinters often hold their breath during a 100-meter race?
To increase their oxygen intake.
To prevent lactic acid buildup.
To maximize the use of anaerobic respiration.
To reduce the production of carbon dioxide.
Explanation
Sprinters use anaerobic respiration to quickly produce energy, and they hold their breath.
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