Science & Nature · 1
What simple sugar does the brain primarily use for energy?
Answer
Glucose
The brain relies almost exclusively on glucose for energy, consuming about 20% of the body's glucose despite being only 2% of body weight. Unlike muscles, the brain cannot effectively use fat for fuel.
💡 Did you know?
The human brain uses about 120 grams of glucose daily, roughly the amount in two bananas.
Other options people guess
- Fructose
- Sucrose
- Lactose
Topics
- replacement-bank
- legacy-cleanup
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