This system takes the oxygen we need from the air and expels carbon dioxide.
Let's remember some words related to this system.
Nose: nariz
Nostils: fosas nasales
Trachea/wind pipe: tráquea
Bronchi: los bronquios
Lungs: pulmones
Alveoli: alvéolos pulmonares.
Diaphragm: diafragma
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