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Science Questions Answers

What are varicose veins
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What is main job of white blood cells
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Science Quiz Questions and Answers

Topic: Food Energy and Respiration Subtopic: Making the air moist, warm and clean

Why is it better to breathe through nose?

Worksheets

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.

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