6 to 12 years: Limbs lengthen relative to trunk, blood pressure increases, and pulse decreases {physical development, 6 to 12 years}. Before 9 years old, boys are taller than girls, but, after 9, girls are taller. Boys' growth is two years behind girls' growth. Girls are taller than boys until age 15.
Lymphatic organs, such as tonsils and lymph nodes, grow greatly in early childhood. Boys have higher basal metabolism than girls and have greater vital capacity than girls, because androgens cause greater physical activity.
Biological Sciences>Zoology>Development>Stages>Child 06-12 Years
4-Zoology-Development-Stages-Child 06-12 Years
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Date Modified: 2022.0224