Free MCQsLearn App Download - 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.
Learn also:
- How are xylem and phloem arranged in stem?
- What is vein?
- How much is life of red blood cell?
- What is absorption?
- How can indigestion cured?
- What are minerals and functions?