Topic: Food Energy and Respiration Subtopic: Making the air moist, warm and clean
Why we should not breathe through mouth?
Answer: Mouth does not contain mucus, blood vessels near the surface or hair that could trap the dust particles or germs.
- What is translocation?
- How is energy formed?
- Does bronchi and bronchioles process air?
- How does rate of transpiration vary?
- What is filament an why is it useful?
- What is ratio of water and bacteria in faeces?
International Organizations Video