7. The graph below contains information about the body mass index (BMI) of Scottish children in 2009 - Scottish Highers Human Biology - Question 7 - 2015
Question 7
7. The graph below contains information about the body mass index (BMI) of Scottish children in 2009.
(a) State the percentage of children aged 12 to 15 who had a B... show full transcript
Worked Solution & Example Answer:7. The graph below contains information about the body mass index (BMI) of Scottish children in 2009 - Scottish Highers Human Biology - Question 7 - 2015
Step 1
State the percentage of children aged 12 to 15 who had a BMI of more than 30 in 2009.
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Answer
From the graph, it can be observed that the percentage of children aged 12 to 15 having a BMI over 30 was approximately 18%.
Step 2
Suggest reasons why the percentage of obese children increased between the ages of 2 and 15.
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Answer
As children get older, they tend to consume less healthy food, which may have a higher fat content. Additionally, older children may have more control over their dietary choices, leading to an increase in unhealthy eating habits. Furthermore, they might engage in less physical activity as they age.
Step 3
Explain how BMI is calculated.
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Answer
BMI is calculated by dividing a person's weight in kilograms by the square of their height in meters:
Suggest how children could be encouraged to maintain a healthy BMI by use of the following processes.
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Answer
Identification: Use celebrities or role models to promote a healthy lifestyle and diet.
Internalisation: Utilize advertisements and campaigns to persuade children to adopt and maintain a healthy lifestyle, emphasizing the benefits of a healthy diet and regular exercise.
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