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प्रश्न
Count how many times in one minute do you breathe in and breathe out.
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उत्तर
On counting, I breathe in and out about 20 times in a minute.
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संबंधित प्रश्न
Miya Balishtiye was confused when he saw the woodcutter blowing on his cold hands to make them warm and on the hot potatoes to cool them.
- Blowhard from your mouth onto your hands. How did you find the air from your mouth as compared to the air around you? Was it hotter, or cooler?
Can you think of any other way in which you use the warmth from your breath?
If you were to cool these three hot things – dal, roti, rice – in which ways would you do so?
Picture 1 - Mini tried to cool her tea by blowing on it. Which do you think will be hotter – Mini’s tea or the air she blew from her mouth?
Picture 2 - Sonu was feeling very cold. He kept blowing onto his hands. Now think and write, which will be cooler – Sonu’s hands or his breath?
Take a glass. Bring it near your mouth and blow hard on it. Do this two or three times. Does the glass look hazy?
Put your hand on your chest. When you breathe in, does your chest come out or go in.
Jump 30 times. Did you feel breathless?
Now again count how many times in one minute you breathed in and out.
Stand with this snake below a fan. Look in which direction it moves. Take this paper snake to different places and observe its movement.
