Breathe a virtual chest, draw your own spirogram, shift the oxygen–hemoglobin curve, and work through patients whose gas exchange breaks. Nothing here is graded.
Part 1: Breathing mechanics simulator
Intra-alveolar pressure (left lung)Intrapleural, right sideIntrapleural, left sideTotal lung volumePleural fluid
Part 3: Oxygen-hemoglobin curve
Normal curveCurve with your settingsCurve in the lungs (if BPG or CO change it)Lungs pointTissue pointO₂ unloadedSite blocked by CO
O₂ (two linked circles)CO₂ (three linked circles)Blood low in O₂Blood rich in O₂Normal PO₂ profile
Wrong answers are fine here. Read why, then try again.