'This organ weighs 12 ounces at birth, grows to 3 pounds in adulthood & contains about 10 billion neurons'
the brain
THE HUMAN BODY: This organ weighs 12 ounces at birth, grows to 3 pounds in adulthood & contains about 10 billion neurons
This organ weighs 12 ounces at birth, grows to 3 pounds in adulthood & contains about 10 billion neurons
This organ weighs 12 ounces at birth, grows to 3 pounds in adulthood & contains about 10 billion neurons
THE HUMAN BODY
the brain
THE HUMAN BODY