Respiratory System Flashcards
What is the main function of the respiratory system?
oxygenate blood in order to oxygenate the whole body
What is the main function of the lungs?
to get oxygen from the air and pass it into the bloodstream
Each lung is divided into…?
lobes (two in the left lung and three in the right lung)
What is the pleura?
a double-layered membrane that surrounds each lung
Identify the different parts of the lungs
Identify the different parts of the respiratory system
What is the waste product of the respiratory system?
Carbon dioxide (CO2)
What are the two airwys that lead to the lungs called?
Bronchi
Which are the smaller tubes of the bronchi?
Bronchioles
The bronchioles are connected to small sacs called what?
Alveoli
Where does the gas exchange occur?
In the alveoli
How is the process of gas exchange called?
Diffussion
What is the diaphragm?
The sheet of muscles between the chest and the abdomen
What is the relation between the diaphragm and breathing?
When the diaphragm contracts, air goes in.
When the diaphragm relaxes, air goes out.
Which is the total lung capacity?
Approx. 6,000 ml
