Topic: Food Energy and Respiration Subtopic: Making the air moist, warm and clean
Why is it better to breathe through nose?
Answer: Our nose contains hair that can trap dust particles and germs that are harmful for our health. When we breathe through mouth, there are no hair present within the oral cavity, so there are more chances of germs and dust particles entering the lungs.
- What is diffusion?
- What is job of platelets?
- What could be an example of diffusion?
- What is cell sap?
- Which enzyme acts on food in stomach?
- What is translocation?