Two trees

Question 1

What are the two trees in each lung?

Answer 1

The vascular tree and airway tree

Question 2

What is comprised in the vascular tree?

Answer 2

Arteries, veins and capillaries

Question 3

What does the airway tree consist of?

Answer 3

air filled branching tubes originating from the trachea

Question 4

Describe pulmonary oedema

Answer 4

a build up of fluid in the interstitial space in the lungs. This increases diffusion distance for gases

Question 5

What is the interstitial space

Answer 5

The space between the capillaries and alveoli