The Lungs

1
The Lungs
2
Gas exchange
O2
CO2
tissue
3
Lung compartments
air compartment
vascular compartment
4
The airway
tracheabronchusbronchiolealveoli
5
Bronchus
6
Proximal bronchus
PV
7
The distal airway
8
The distal airway
alveolar duct
alveolus
terminal bronchiole
9
Lung airflow zones
Rigid (150 ml)
elastic (7000 ml)
10
Poisseuille F (Pout Palv)/R
Pout
airway
airflow
0
Palv
alveoli
lt0
11
Balloon-in-box model of lung
air
lung
chest wall
pleural space
diaphragm
12
Breathing
expiration
inspiration