Bookflexgym
3D Human HeartAnatomy, valves & blood flow.
3D Kidney FunctionFull cutaway, nephron to ureter.
3D Human LiverYou're viewing this model now.
3D Human DNA8 structures, backbone to bases.
The Learning Brain15 structures, how a skill sticks.
3D Human Eye15 structures, light to signal.
3D Human Lungs15 structures, breath to bloodstream.
Inside a Human Cell14 organelles, membrane to nucleus.
The Nucleus4 zoom levels, whole nucleus to a base pair.
Neural Brain46 neurons, live signal traffic.
Mitosis & Meiosis3D spindle, prophase to cytokinesis.
Enzyme Active SiteFold a chain, dock a substrate, watch it react.
Cell MembraneFluid mosaic & the Na⁺/K⁺ pump.
The NephronFiltration to urine, one loop of Henle at a time.
Gas ExchangeAlveolus, capillary & the O₂-hemoglobin curve.
Cardiac Conduction SystemSA node to Purkinje fibres, synced to a live ECG.
Protein SynthesisDNA to folded peptide, codon by codon.