Drive - vasculature Flashcards
What is special about the blood supply to lungs?
Has duel supply (pulmonary circulation and bronchial circulation)
What is the main circulation of the lung?
Pulmonary circulation
In pulmonary circulation where does the blood come from? (which area of the heart)
Right ventricle
How much of the right ventricles cardiac output does the pulmonary circulation receive?
100%
What is the red blood cell transit time in pulmonary circulation?
5 seconds
How much of the left ventricles cardiac output does the bronchial circulation receive?
2%
In bronchial circulation where does the blood come from? (which area of the heart)
left ventricle
Identify 4 key differences between pulmonary and systemic circulation:
(in pulmonary…)
Vessel wall is thin
Minor muscularisation
No need for redistribution
Much lower pressure
