Aír gets into our bodies through _______ y ________
Then the air goes down the trachea, trough bronchi, into the ______
The oxygen gets into the bloodstream through the walls of ______.
The ____ dioxide leaves our bodies through the walls of _______
The_____ dioxide leaves our bodies through our nose and mouth
The muscle that helps us breathe Is called ______
Ayudaa es para ahorita
doy corona y lo sigo
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