Topic: Food Energy and Respiration Subtopic: Making the air moist, warm and clean
How is air processed in nose?
Answer: As the air passes through the nasal cavity. The hair in the nose make the air clean by trapping dust and germs, blood vessel present in the nose make the air warm before it reaches the lungs and the slimy greenish yellow mucus present in the nose make the air moist.
Learn also:
- Why blood is medium?
- What is photosynthesis?
- What is Asthma?
- How does content diffuse into cells from blood?
- What is indigestion?
- What could be an example of diffusion?