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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About Human Body and Health
The human body is studied through its organ systems, including digestion, respiration, circulation, excretion, nervous coordination, reproduction and immunity. Coverage also includes nutrients and deficiency diseases, hormones, blood groups, common infections, vaccines, sanitation and basic first aid, while distinguishing communicable diseases from inherited and lifestyle disorders.
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