The Volume of Gray Matter in the Brain Peaks for Girls

question 34

Multiple Choice

The volume of gray matter in the brain peaks for girls at about age _____ and for boys at about age _____.

• A) 2; 2½
• B) 9½; 10½
• C) 16; 18
• D) 40; 44

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Definitions:

Bladder Cancer

A type of cancer that begins in the cells of the bladder, the organ that stores urine, with symptoms like blood in urine and painful urination.

Diagnosed Cancer

A medical condition that has been confirmed through tests and analyses to be a form of cancer.

Women

Adult human females, who biologically are characterized by two X chromosomes but are defined beyond their biological aspects by a wide range of cultural, social, and individual identities.

Malignant Neoplasm

A cancerous tumor that has the potential to invade and destroy nearby tissue and spread to other parts of the body.