1. Do now! Can you read through the notes you made last lesson?

2. This lesson Know how lungs are adapted to do their job Know what happens to the diaphragm and muscles when you breathe

3. Remember! The respiratory system supplies the oxygen to the cells for respiration and removes the carbon dioxide Note however that breathing is not respiration! cough

4. How are lungs adapted to their job?

5. Can you gather around Mr Porter please?

6. Can you complete the sheet “breathing”?

7. Look after your lungs!

8. Don’t smoke! =

9. Major poisons in cigarette smoke

10. YouTube - Efforts of smoking – Artery YouTube - tar on lungs

12. Nicotine Addictive Heart beats faster and narrows blood vessels Can cause heart disease Accelerates existing cancers

13. Nicotine Addictive Heart beats faster and narrows blood vessels Can cause heart disease Accelerates existing cancers Can you copy this please?

14. Tar Contains over 1000 chemicals, some of which cause cancer (carcinogenic). Irritates air passages and makes them narrower Stops cilia in the trachea from working properly

15. Tar Contains over 1000 chemicals, some of which cause cancer (carcinogenic). Irritates air passages and makes them narrower Stops cilia in the trachea from working properly Can you copy this please?

16. Carbon monoxide Taken up by the blood instead of oxygen Highly poisonous

17. Carbon monoxide Taken up by the blood instead of oxygen Highly poisonous Can you copy this please?

18. Questions! Can you answer the questions on page 17 please?