In Late Adulthood,the Brain Shrinks and Total Brain Mass Declines,so

question 137

Multiple Choice

In late adulthood,the brain shrinks and total brain mass declines,so that by age 80 years,most people have lost what percent of their peak brain mass?

• A)5-10%
• B)15-25%
• C)25-45%
• D)45-60%

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