Respiratory ResistanceBy: Camille ReneePHSL1 2122 STVProfessor M.C.Saint James School of Medicine

Types of Resistance

1) Airway resistance

2) Elastic resistance

3) Non-elastic resistance

*Medium-sized bronchi are the major sites of resistance!*

Poiseuille’s Law

•A more negative intrapleural pressure occurs during lung expansion, decreasing pressure and allowing bronchodilatation to occur

References1. Our professor’s slides

2. Lungs and Breathing – 3D Medical Animation || Animated Biomedical Productions https://www.youtube.com/watch?v=zi4thNp15q