describe inhalation and exhalation
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Answer:
When you inhale (breathe in), air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.
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Answer:
describe inhalation and exhalation
Explanation:
Inhalation is when you take air in. Your lungs expand because they are filled with air.
Exhalation is when you release the air that you took in. Your lungs deflate.
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