Obesity increases the risk of a person developing cardiovascular disease - Edexcel - GCSE Biology - Question 2 - 2018 - Paper 1
Question 2
Obesity increases the risk of a person developing cardiovascular disease.
Losing weight can reduce the risk of this disease occurring.
Explain why exercise can cause... show full transcript
Worked Solution & Example Answer:Obesity increases the risk of a person developing cardiovascular disease - Edexcel - GCSE Biology - Question 2 - 2018 - Paper 1
Step 1
Explain why exercise can cause weight loss.
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Answer
Exercise requires energy, which is obtained through the process of respiration in the body. When a person engages in physical activity, their body burns calories, thus utilizing stored fat. This reduction in fat contributes to weight loss, as the energy expended during exercise decreases the overall fat accumulation in the body.
Step 2
Figure 2 shows a gastric band fitted to a stomach.
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Answer
The gastric band works by reducing the volume of the stomach, which leads to a decrease in food intake. As less food is consumed, the body will use stored fat and lipids for energy, aiding in weight loss.
