Human Growth and Development / Unit 7 HGD 0901 short lesson, about 20 seconds
Growth in Middle Childhood
Captions available
The idea
Growth in middle childhood is slower and steadier than before: about two to three inches and five to seven pounds a year until puberty.
In practice
Girls, entering puberty earlier, often briefly taller than the boys in their class.
Where people slip
Boys and girls are similar in size and shape at seven; after boys' puberty, most boys are taller and heavier.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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