Prime Time 7, Coursebook plus Semester Self-checks

Goals • Comment on statistics. • Give advice on nutrition. • Reconstruct texts. • Discuss health issues. Speaking: A heavy problem For a health project at your school, you have been asked to talk about obesity. In your talk, refer to the chart on page 22 which shows the results of a US study on overweight children. • Point out remarkable details. • Analyse the development shown in the chart. • Discuss possible reasons for the increase and decrease in the number of overweight children. Your turn: Our amazing bodies Study the ten amazing facts about our bodies above. Do some research and tell your class a few more amazing things about our bodies. 2  3  23 Ten amazing facts about our bodies  1. A sneeze generates a wind of 166 km/h.  2. Our heart beats around 10,000 times every day.  3. Our eyes can distinguish up to one million colours.  4. We exercise at least 30 muscles when we smile.  5. We are about 70 per cent water.  6. We make one litre of saliva a day.  7. A person can expect to breathe in about 18 kg of dust in their lifetime.  8. From the age of 30, humans gradually begin to shrink in size.  9. The human body has fewer muscles in it than a caterpillar. 10. It’s impossible to sneeze with your eyes open. Nur zu Prüfzwecken – Eigentum des Verlags öbv