4. Sınıf Fen Bilimleri Alkol Ve Sigaranın Zararları

https://www.youtube.com/watch?v=8_PDZe3Dmvk&t=6s

https://youtu.be/VRYTVeZHnW8

https://youtu.be/hIYgo1he3wQ

https://youtu.be/SJgx2Y9HnYU

https://www.youtube.com/watch?v=webnZvXFN6k&list=PL3oxhzRdQr1kr6jcAWJcT8yQrum_wGYkw&index=7