O-LevelBiologyCoordination & Response5090/12 · May/June 2019 · Q161 Mark
At night the temperature is 3°C. A person goes outside for 30 minutes and their body temperature drops. What is a reason for this temperature change?
AThe person cannot get rid of carbon dioxide.
BThe person has too much glucose for respiration.
CThere is less oxygen in the cold air breathed in.
DThe respiratory enzymes function more slowly.
✓ Correct answer
D: The respiratory enzymes function more slowly.
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