![Biology: Explain the mechanism of ventilation of the lungs in terms of volume and pressure changes caused by the internal and external intercoastal muscles, the diaphragm and abdominal muscles Biology: Explain the mechanism of ventilation of the lungs in terms of volume and pressure changes caused by the internal and external intercoastal muscles, the diaphragm and abdominal muscles](http://4.bp.blogspot.com/-COY1SBhs-4U/UJalmvfDEGI/AAAAAAAAAB0/t34eLL3wANI/s640/breathing.gif)
Biology: Explain the mechanism of ventilation of the lungs in terms of volume and pressure changes caused by the internal and external intercoastal muscles, the diaphragm and abdominal muscles
![The Mechanism of Ventilation - Relaxed, Forced Inhalation and Exhalation - Mechanism of Breathing - YouTube The Mechanism of Ventilation - Relaxed, Forced Inhalation and Exhalation - Mechanism of Breathing - YouTube](https://i.ytimg.com/vi/HBNkvZlVF1M/hqdefault.jpg)
The Mechanism of Ventilation - Relaxed, Forced Inhalation and Exhalation - Mechanism of Breathing - YouTube
![Breathing mechanism diagram from the human biology textbook. From "The... | Download Scientific Diagram Breathing mechanism diagram from the human biology textbook. From "The... | Download Scientific Diagram](https://www.researchgate.net/profile/David-Treagust-2/publication/283668137/figure/fig5/AS:668520400580611@1536399092114/Breathing-mechanism-diagram-from-the-human-biology-textbook-From-The-sequence-of-events.png)