Infancy: baby, newborn, toddler, 0-2 years old, childhood: 3-10 years old, innocent, child, dependants , adolescence: 10-19 years old, puberty, teenager (teen), juvenile, adulthood: 20-59 years old, responsibility, mature, generally healthy, Pre-natal: pregnant, 0-9 months, elderly: fragil, illnesses, 60 years old-death, needs assistance,

Stages of Human Development

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