Parts of the Respiratory System

nitrogen

oxygen

carbon dioxide

helium

Heart

Bronchi

Trachea

Capillaries

Small intestine

air goes in and out and that's how our body gets oxygen

air gets delivered to our cells through some pipes

oxygen is absorbed from the air and delivered to our cells

oxygen diffuses from the air in our lungs, into our blood cells which then transport the oxygen to our cells

Air will be drawn into the lungs (inhalation/breathing in)

Air will be pushed out of the lungs (exhalation/breathing out)

Air will be drawn into the lungs (inhalation/breathing in)

Air will be pushed out of the lungs (exhalation/breathing out)