Respiratory zone

The respiratory zone is the site of O₂ and CO₂ exchange with the blood.

The respiratory bronchioles and the alveolar ducts are responsible for 10% of the gas exchange. The alveoli are responsible for the other 90%.

The respiratory zone represents the 16th through the 23rd division of the respiratory tract.

External links

Anatomy of the lower respiratory tract

Respiratory tree

Trachea	Tracheal rings Annular ligaments Carina

Bronchi	Main left right Secondary eparterial Tertiary

Lungs

General	Landmarks Base Apex Root Hilum Fissures Horizontal Oblique Superior lobe Lingula of left lung Middle lobe of right lung Inferior lobe

BP segment	Bronchiole: Conducting zone (Terminal bronchiole) Respiratory zone (Respiratory bronchiole Alveolar duct Alveolus Blood-air barrier)

Cells	Alveolar cells Type I Type II Club cell Goblet cell

This article is issued from Wikipedia - version of the Sunday, February 28, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.

Respiratory zone

See also

External links