Biology, asked by abdulhadii1239, 9 days ago

what do you know about covid19 and it's difference strains.also explain through which mechanism it's effect physiology of respiratory system​

Answers

Answered by kdramaaddict123
1

Answer:

COVID-19 is a dangerous virus which got spreaded throughout the world.

Explanation:

it's enters into our body by our nose, mouth and hands because we touch things and then we make contact with our nose.we respirate some kind of germs and that causes COVID-19

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