The table shows the number of hospital admissions in a region in 2022 caused by respiratory, cardiovascular, and endocrine illnesses. The table also shows the number of these admissions associated with obesity.
| Cause of hospital admission | Total number of admissions | Number of these admissions associated with obesity |
|---|---|---|
| Respiratory illnesses | 54 000 | 12 000 |
| Cardiovascular illnesses | 96 000 | 38 000 |
| Endocrine illnesses | 50 000 | 30 000 |
What is the total number of hospital admissions caused by all three illnesses?
Calculate the percentage of the total number of hospital admissions that are associated with obesity. Show your working.
Obesity increases the risk of developing coronary heart disease. Explain how coronary heart disease can cause myocardial infarction (a heart attack).
55 exam-style questions on Edexcel IGCSE Biology Transport. Each one has a worked solution and a mark scheme showing where the marks go.