Gas exchange Flashcards
1
Q
Ribs
A
protects internal organs
2
Q
Intercostal muscles
A
Between ribs, control inhalation and exhalation
3
Q
Diaphragm
A
Changes the pressure
4
Q
Trachea
A
Wind pipe, air enters the thorax and flows to lungs
5
Q
Bronchi
A
trachea divides into 2 bronchi, one in each lung
6
Q
Bronchioles
A
bronchi further divide into smaller tubes that connect to the alveoli
7
Q
Alveoli
A
Tiny air sacs that are place of gas exchange
8
Q
A
9
Q
Alveoli adaptions
A
Thin cell walls - shorter diffusion distance
Folded - to increase surface area for diffusion
Large network of tiny capillaries - increase concentration gradient
10
Q
A
