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Paper 1
B2 Organisation
The Lungs
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Cards (13)
What is the top part of your body where your lungs are called?
The
thorax
What muscle separates the higher and lower parts of the body?
The
diaphragm
What structure protects the lungs?
The
ribcage
What is the tube which carries air from the nose and mouth to the lungs?
The
trachea
What two tubes does the trachea split into?
The
bronchi
or
bronchus
singular
What is the name of the layer which surrounds the lungs?
The
pleural
membrane
What smaller tubes do the bronchi split into?
Bronchioles
What small bags do bronchioles end in?
Alveoli
Where does gas exchange take place in the lungs?
In the
alveoli
What is the name of the muscles between the ribs?
Intercostal
muscles
What small veins surround the alveoli?
Capillaries
What gas do the capillaries bring to the lungs?
Carbon dioxide
Which gas diffuses into the blood from the alveoli?
Oxygen