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GCSE LEVEL PE

GCSE LEVEL PE. Lesson 12 A healthy active lifestyle and your Respiratory system Respiratory System – 2 Immediate and long term effects of exercise on the respiratory system The effects of lifestyle on the respiratory system. Connector. On average a human takes 21 breaths during rest.

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GCSE LEVEL PE

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  1. GCSE LEVEL PE Lesson 12 A healthy active lifestyle and your Respiratory system Respiratory System – 2 Immediate and long term effects of exercise on the respiratory system The effects of lifestyle on the respiratory system

  2. Connector • On average a human takes 21 breaths during rest. • How many breaths do you think a professional football player would take? • Can you explain why?

  3. Key Words • Carbon monoxide

  4. Big Picture You will use the text books, powerpoints and your prior knowledge to learn about the short-term and long term effects of exercise on the respiratory system.

  5. Learning Outcomes All students will be able to identify three short-term effects of exercise on the respiratory system. All students will be able to identify two long-term effects of regular exercise on the respiratory system. Most students will be able to explain the effects of regular exercise on the respiratory system. All students will be able to identify the effects of lifestyle on the respiratory system.

  6. Immediate and Short Term Effects of Exercise on the Respiratory System • Push the chairs in to make room. • Students jog on the spot for several minutes. • Can you identify the 3 short term effects of exercise on the respiratory system? • Breathing becomes faster • Breathing becomes deeper • Oxygen debt

  7. Why do you think athletes in events such as the 400m are gasping for breath when they finish? • What do you think oxygen debt means? • Michael Johnson http://www.youtube.com/watch?v=v2W_T77vwfQ • Students read through p132. • Take notes if needed.

  8. Immediate and Long Term Effects of Exercise on the Respiratory System • Students read through page 133 and identify key information. Take short notes. • Lungs become more efficient. • Increased delivery of O2 to working muscles. • Body copes better with exercise. • CO2 removed more efficiently. • Body can cope with increased production of CO2. • Vital Capacity is increased. • Respiratory system becomes more efficient. • More alveoli available for gaseous exchange. • More O2 can be absorbed and CO2 removed. • VO2 Max is increased. • Increased number of capillaries around the alveoli. • More O2 can get into the blood and to the muscles.

  9. Effects of Exercise Smoking on the Respiratory System • What do you think will happen to the respiratory system as a result of smoking? • Lung damage – tar, carbon monoxide... • Alveoli become less efficient • Harder to get O2 in and CO2 out. • Become short of breath. • A smokers heart has to work harder to get O2 needed. • Feel tired. • Effects of smoking – haemoglobin & gas exchange • http://www.youtube.com/watch?v=TaAvhG2SInM&feature=related • Anti smoking add • http://www.youtube.com/watch?v=1MF4sCvkAAA&feature=related

  10. Review • Read the statements and vote with your feet. • If the effect of exercise is short term • Stand up • If the effect of exercise is long term • Stand up and jog on the spot • You may be asked to explain why

  11. Review Statements • Increased rate of breathing • Increased vital capacity • Increased lung volume • Oxygen debt • Increase depth of breathing

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