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.