Question

1. what percentage of our total calories are consumed by the brain?

10-20%
20-30%
30-40%
40-50%

Explanation:

The brain typically consumes about 20 - 30% of the body's total calories (when at rest, considering its high metabolic activity for functions like neural processing). Among the given options, 20 - 30% matches this typical range.

Answer:

20 - 30%