Effects of Smoking - GCSE Biology (9-1)

6:11
Human Reproduction - Anatomy, fertilisation and puberty - GCSE Biology (9-1)

6:02
Effects of Smoking on Disease - GCSE Biology

4:16
Lungs and Ventilation - GCSE Biology (9-1)

9:01
How Smoking Kills

7:33
The Heart - GCSE Biology (9-1)

7:44
Why Give Up Smoking?

13:54
Vaping Is Too Good To Be True

14:33