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Blood Circulation Loop (2D)

2D schematic of whole-body blood circulation: drive heart rate, stroke volume and vascular resistance sliders and watch the pulmonary and systemic loops animate, with live cardiac output, mean/systolic/diastolic pressure and circulation-time readouts.

Medicine & Biophysics2DEasy60 FPS📱 Mobile-adapted⇄ 3D version

An interactive 2D diagram of the closed-loop cardiovascular system: the heart drives blood through the pulmonary circuit to the lungs and the systemic circuit to the body's tissues. Adjust heart rate, stroke volume and vascular resistance to see how cardiac output and blood pressure respond in real time, and watch blood cells change colour as they pick up oxygen at the lungs and release it at the tissues.

⚙ Under the hood

2D schematic of whole-body blood circulation driven by heart rate, stroke volume and vascular resistance, with live cardiac output and blood pressure readouts.

cardiovascularcirculationcardiac outputblood pressurehemodynamicsphysiology

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install