Question

ᴡʜᴀᴛ ɪs ᴀʟᴠᴇᴏʟɪ ???
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ᴋʏᴀ ᴋɪsɪɴᴇ "ʏᴏᴜʀ ɴᴀᴍᴇ" ᴍᴏᴠɪᴇ ᴅᴇᴋʜɪ ʜᴀɪ ... ?????? ☻☻☻☻​

Answer 1

Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they're microscopic, alveoli are the workhorses of your respiratory system. You have about 480 million alveoli, located at the end of bronchial tubes.

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Answer 2

Acar of mass 500 kg is moving with a constant speed of 10 ms–1on a rough horizontal road. force expended by the engine of the car is 1000 n. calculate work done in 10 s by: (a) net force on the car (b) gravitational force (c) the engine (d) frictional force

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