our nose?
Science p.w
1. Why it is better to breathe through
2. What is air made up of?
3. Why do earthworms come out of
the soil during heavy rain?
4. Write two uses of magnets.
5. What is a magnetic compass.
Discuss about its structure. How it is
used?
* 13:53
Answers
Answer:
1 Ans• Breathing in and out through the nose helps us take fuller, deeper breaths, which stimulates the lower lung to distribute greater amounts of oxygen throughout the body.
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Step-by-step explanation:
its better to breath through your nose because it clean your nose dust and allergens whereas breathing through your mouth may increase risk of bad breath and gum inflammation
air is a mixture of 79percent nitrogen,2p Percent oxygen and 1 percent of other gases and dust particles
earthworm can easily breathe in soil but in rainy season they do not get sufficient oxygen in soil because soil pores get filled with water so they come out of soil to breathe
a magnetic compass has magnet in it to show directions
they are also used in many electronic devices
I don't know
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