The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
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AcademicBiologyNCERTClass 8

The graph explains the relationship between the height of boys and girls with age.

The sudden increase in height in girls and boys can be observed during puberty. The height of girls is less than boys from 4 to 8 years of age.

When girls reach puberty, their rate of increase in height is less than that of boys. During puberty, height is controlled by hormonal functions.


Puberty is the process through which a boy or girl becomes sexually mature and able to reproduce.

On average, females begin puberty between the ages of 10–11 and finish it between the years of 15–17, whereas boys begin puberty between the ages of 11–12 and complete it between the ages of 16–18.


Adolescence begins at 11 years and lasts until 19 years of age in humans. Adolescence comprises the teen years, 13 to 19, it is also known as "teenage," and adolescents are also known as teenagers. Due to sex hormones, adolescent males and girls experience various changes.

raja
Updated on 10-Oct-2022 12:46:51

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