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childhood
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children in preschool Chinese children playing with marionettes
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Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body
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children in preschool
children in preschool

childhood

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Positive childhood experiences may help protect mental health into adulthood • Oct. 15, 2026, 12:20 PM ET (Medical Xpress)

childhood, period of the human lifespan between infancy and adolescence, extending from ages 1–2 to 12–13. See child development.

This article was most recently revised and updated by Amy Tikkanen.