Biology - Human Body Systems - Respiratory system - Breathing Simulator

An interactive chest/lung diagram showing inhalation and exhalation. A slider or button toggles between 'INHALE' and 'EXHALE'. During INHALE: diaphragm moves DOWN (flattens), rib cage expands OUTWARD, lungs expand and fill with air (shown as blue particles flowing in through nose/trachea), chest cav