The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

12
The Lungs
  • date post

    21-Dec-2015
  • Category

    Documents

  • view

    219
  • download

    2

Transcript of The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Page 1: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

The Lungs

Page 2: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Gas exchange

tissue

CO2 O2

Page 3: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Lung compartments

air compartment

vascular compartment

Page 4: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

The airway

tracheabronchusbronchiolealveoli

Page 5: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Bronchus

Page 6: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Proximal bronchus

PV

Page 7: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

The distal airway

single alveoli

Page 8: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

terminal bronchiole

alveolar duct alveolus

The distal airway

Page 9: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Lung airflow zones

Rigid (150 ml) ai

rway

alveolielastic (7000 ml)

Page 10: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Poisseuille: F = (Pout – Palv)/R

airw

ay

alveoli

0

<0

airflow

Pout

Palv

Page 11: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

air

Balloon-in-box model of lung

lungchest wall

pleural space

diaphragm

Page 12: The Lungs. Gas exchange tissue CO 2 O2O2 Lung compartments air compartment vascular compartment.

Breathing

expiration inspiration

air