lesson
Human Life Expectancy and Factors Affecting Longevity
Explain how modern medicine, clean water, balanced diet, and sanitation have increased average human life expectancy over history.

Explain how modern medicine, clean water, balanced diet, and sanitation have increased average human life expectancy over history.
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3rd Grade · Science · UK National Curriculum
5 lessons
Understand physical changes during adulthood and old age, factors affecting life expectancy, and how healthy habits support each life stage.