Cardiopulmonary Resuscitation (CPR) by: Dr. GideonBy admin / October 8, 2025 The cardiovascular (heart) and pulmonary (lungs) systems work in tandem to sustain life. Their function is reflected in our vital signs: Heart — Blood Pressure (BP), Pulse Lungs — Respiratory Rate (RR), Oxygen Saturation (SpO₂) CPR_GSIDownload