What is the order for breathing ? 1 first - 4 last
The diaphragm contracts.
The lungs are compressed.
Carbon dioxide (CO2) is expelled into
the air.
Lungs inhale oxygen (O2) from the
air.
What is the order for breathing ? 1 first - 4 last The diaphragm contracts. The lungs are compressed. Carbon dioxide (CO
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What is the order for breathing ? 1 first - 4 last The diaphragm contracts. The lungs are compressed. Carbon dioxide (CO
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