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Growing and the human life cycle
From a tiny baby to an older adult: the stages of a human life, how babies grow and learn to move, what changes in puberty, the hormones that control it, and what growth curves and life expectancy tell us. Three ages, each with a text, an experiment, a game, a quiz, a printable worksheet and a teacher sheet.
Ages 6–7From baby to grown-upEverybody was once a tiny baby. Find out how babies grow and learn new things, what the stages of a human life are, and how much you have grown already.Ages 10–11The human life cycleThe stages of a human life from before birth to old age, how babies grow, what puberty is and why everyone goes through it at their own pace. With an investigation into how body proportions change as we grow.Ages 15–16Growth, puberty and the human lifespanPrenatal stages, infant growth rates, the shape of the human growth curve, the hormonal control of puberty with negative feedback, brain development, and what life expectancy and healthy life expectancy mean. With a growth-velocity data analysis.