ud 2: descubre el cuerpo humano – discover ... · web viewud 2: descubre el cuerpo humano –...
Post on 25-Apr-2021
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UD 2: DESCUBRE EL CUERPO HUMANO – DISCOVER THE HUMAN BODY
RESPIRATORY SYSTEM
The respiratory system:- gets the OXYGEN (O2) for the cells of our body, - and disposes of the CARBON DIOXIDE (CO2).
Nose
Trachea
Lung
Bronchi
Breathe in Breathe out
Carbon dioxide
Oxygen
1.- Breathe in:The oxygenated air gets into the lungs.
2.- Gases interchange:The OXYGEN goes to the blood.And the CARBON DIOXIDE from the blood goes to the air in the lungs.
3.- Breathe out:The air with CARBON DIOXIDE goes out of the body.
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