IGCSE /Grade 10
Science MCQ Based On Inspired and expired air
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IGCSE Grade 10 Science Inspired and expired air
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What process can affect the total composition of the air we breathe in?
What is the gas that we inhale and exhale, and how does its percentage change during the breathing process?
What is the process by which our cells produce ATP using oxygen and what is the role of carbon dioxide in this process?
What is the role of the nose in filtering the mixture of gases present in the atmosphere, and how does it accomplish this task?
What is the composition of the air we inhale and how much of it is pure oxygen?
What is the role of nitrogen in the atmosphere and why is it important for life on Earth?
What is the name of the tiny air sacs in the lungs where gas exchange occurs?
The oxygen is used up by our body
define breathing rate
What is the name for the type of respiration that occurs in the absence of oxygen?
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