Two Trees Flashcards
1
Q
Each lung is composed of two tree like structures, what are they?
A
The vascular tree and airway tree, embedded in lung tissue.
2
Q
What is the vascular tree composed of?
A
The arteries, veins and capillaries which conduct poorly oxygenated blood to the lungs and returns highly oxygenated blood to the heart.
3
Q
What does the airway tree consist of?
A
Air-filled branching tubes, originating from the trachea, which conduct ‘new’ atmospheric air to the gas exchange surfaces and return ‘used’ air to the environment.
