What is the percentage of water present in our brain?
Correct answer: D. 73%Preparing For College Admissions Tests
- A. 85%
- B. 95%
- C. 97%
- D. 73%Preparing For College Admissions Tests
Explanation
The brain is composed of roughly 73% water, although the exact percentage varies with the source and how it is measured. The much higher values of 85% to 97% are common overestimates.
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