
Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.
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Original partial-differential-equation solver and model parameters. Fields and time use the source model’s units; this is a numerical teaching model, not measured biological, clinical or environmental data. Click or drag to apply the source brush.
Original partial-differential-equation solver and model parameters. Fields and time use the source model’s units; this is a numerical teaching model, not measured biological, clinical or environmental data. Click or drag to apply the source brush.
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<iframe src="https://kiwibee.io/en/simulations/visualpde-cahnhilliard-simulation/embed" title="Phase separation and coarsening | KiwiBee" loading="lazy" allowfullscreen style="width:100%;height:min(70vh,620px);min-height:420px;border:0;border-radius:16px"></iframe>Continue exploring

Explore an adult male reference body in 3D. Reveal 14 anatomical systems, search thousands of named structures, isolate organs, and pull 2,209 modeled pieces apart to see how the body is organized.

Explore the head and neck in 3D: 643 source meshes across 14 layers, 47 facial and masticatory muscles, and 77 drawn nerves, vessels and glands the source scan omits. Open any tooth onto its own pulp canal, and follow the seven stages of tooth development.
Free interactive photosynthesis simulation. Explore photosynthesis hands-on online — great for whole-class or independent practice.
Free interactive pendulum motion simulation. Explore pendulum motion hands-on online — great for whole-class or independent practice.
Air travels through the trachea and bronchi. In the alveoli, oxygen enters the blood and carbon dioxide leaves it.
From model to evidence
Use a worksheet to capture predictions, observations, and explanations after students explore.
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