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Transcript of Respiratory System
Made up of:
Have bony or
Pulmonary veins and arteries
that can expand
-Direct air to the lungs
-Skeletal structures to allows for easy passage of air
-wets, warms, and filters air
-Holds air to allow blood to trade oxygen and carbon dioxide
-expands and contracts to move air
Main pathway of air
Nasal septum: bone and cartilage and divides nasal cavity
Another passageway into the trachea.
Muscles in the diaphragm change the dimensions of the lungs by pushing in out out. This creates a difference in pressure that either sucks air in or pushes the air back out.
Passageway for both food and air, and also helps produce sound and speech.
Divides esophagus from your larynx
An enlargement in the airway that leads air into the trachea
Two pairs of horizontal tissue to make sound
Leads the air into the lungs
Branched airways leading from the trachea to the air sacs in the lungs
Converts CO2 into O2
Soft spongy organs that can expand; meant to move air in and out
Moves in oxygen-deficient blood to lungs, which then is enriched with oxygen and pumped back to be transferred all over the body
In the lungs, blood cells pick up oxygen and then transport it around the body while picking up CO2.
The blood cells then transport the CO2 to the lungs where it diffuses into the alveoli and is then breathed out.
Working muscles produce gaseous wastes which are carried by the blood back to the respiratory system and expelled.
For the respiratory system to function, muscles are needed in order to inhale.
Supports air passageways
Protects lungs from blows and puncture wounds
When stretched out, the surface area of the lungs can cover a tennis court.
The record for fastest sneeze is 165 km per hour (102 mph).
Nose hairs help clean and warm the air we breathe
At rest, a person breathes 12-15 times a minute
The capillaries of lungs would stretch out about a mile when stretched out
Five Fun Facts