Human Heart & Blood Flow – 3D Interactive Model | NCERT Class 11 · Body Fluids & Circulation

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Cross-section

Right atrium (deoxygenated)
Right ventricle
Left atrium (oxygenated)
Left ventricle
Valves
Aorta / arteries
Vena cava / pulmonary artery

Follow the blood dots — blue through the lungs, red through the body · X-Ray to see inside

Source: NCERT Class 11 Biology, Ch. 18 — Body Fluids & Circulation (also Class 10 Life Processes) · Interactive 3D learning model

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