​The Respiratory System

​is a system in the body that deals with breathing. When we breathe we take in oxygen that we need and removes carbon dioxide that we don't need.

●warm, moisten and filter incoming air

●receive olfactory stimuli (smell)

●modify speech sounds

Cilia

●Tiny hairlike structures in the nasal
cavity

○Traps dirt and pathogens

The Nose

Trachea

●tubular passage which extends from
the larynx to the fifth thoracic
vertebrae where it divides into the
primary bronchi

●composed of 16 to 20 C-shaped
rings of cartilage

●Ends at the carina, an internal ridge
where it divides into the right and
left bronchi

Lungs

●Are the essential respiration
organs

●Are a pair of cone shaped
organs in the thoracic cavity

●Inflate and deflate as

●respiration occurs

●average pair of human lungs
can hold six liters of air

Right Lung is divided into 3 segments

Left Lung is divided into 2 segments

  Choking and CPR         

  Choking and CPR         

Practice on your stuffed animal as if it were an infant.
Take it seriously, it's a grade!