When we breathe through the nose, the dust particles, smoke, etc. get stuck in the hair present in the nose, which act as filters. But if we breathe through the mouth, all the dust will enter our body system.
Question
Why should you breathe through your nose and not your mouth?
WhatsApp
💡 Some Related Questions
food stall owner was preparing dough for making bhaturas. He added a pinch of yeast and sugar to the dough and left it in a warm place. After few hours, the dough had risen. There was a sour smell too. Q1. Why did the dough rise? Q2. Why did the dough smell sour? Q3. Why was sugar added to the dough? Q4. What would have happened if the dough was kept in the refrigerator, soon after it was prepared?
Open Answer »
1. Which process is being tested in the activity? 2. What is the result of the activity? Give reasons. 
1.In which jar, will the amount of CO2 be the highest and why? 2. In which jar, will the amount of CO2 be the lowest and why?