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2
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Air sacs where oxygen enters the blood and carbon dioxide is removed.
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5
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This system is responsible for the exchange of gases.
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6
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Has 2 small openings where gas enters and leaves the body.
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7
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Specialized hair in the nose that protects it from dirt.
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8
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After the air passes through the nostrills, It passes through this organ located at the throat.
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9
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This is a muscular organ that moves when you breathe.
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10
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These are the primary organs of the respiratory system.
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