Respiratory Systems

The Air

Inhaled Exhaled Difference Reason
Nitrogen 78% 78% 0 None
Carbon dioxide 0.03% 4% increase Waste
Oxygen 21% 17% decrease Energy
Water Vapour Varies Saturated increase Saturated
The Nose:
The nose has a filter system to remove dust particles from the air
It warms the air so that it matches body temperature
It moistens the air so it arrives at the lungs saturated with water to aid the respiration process

Inhalation Process

Air is breathed in from the nostrils
Your air in your nostrils is filtered warmed and moistened
Travels down to the larynx where primary filtration is done
Then enters into your trachea where further filtration is done
Enters into left and right…