Pregunta
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Respuesta correcta
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What is oxygen? :
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it is the air we breath |
Where does oxygen go when we inhalate it? :
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It goes to our lungs |
Pregunta
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Respuesta correcta
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What happens when you exhale? :
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carbon dioxide leaves the body |
Why are Alveoli important? :
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They allow the pass of oxygen to the blood |
What does the heart do? :
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It pumps blood with oxygen to the body |
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