State and explain the differences and similarities between airr breathed in and air breathed out?

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Muhammed Cheychi

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A Level Student - Studying Biology, Chemistry and Maths. Achieved GCSEs at grade 7+

Hi, I’m an A Level Student in Southampton studying Biology, Chemistry and Maths. I’m hoping to study Medicine at university next year. I have achieved excellent GCSEs at Grade 7+.

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Bamila Sathyatharmakulaseelan

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I’m an science lover and can tutor with ease. I got 9&8 in my GCSEs

I love biology and chemistry and am doing it for alevels. I got 9&8 in my GCSEs.

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Rohan Tandon

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Versatile, diligent tutor with a passion for helping students achieve their potential and more.

Incoming Undergraduate at the University of Oxford. International Baccalaureate Graduate.

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Tess Gerrard

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Passionate tutor who is ready to teach!

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