
Compare three cell diagrams. Select structures, inspect their functions and compare illustrative sizes.
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This interactive model shows a eukaryotic animal cell cut open so every organelle is visible. A menu lets students highlight the nucleus, nucleolus, mitochondria, endoplasmic reticulum, Golgi apparatus, ribosomes, lysosomes, centrioles or the cell membrane, while readouts give the typical size and a one-line job. The Cell activity slider speeds up vesicles carrying proteins from the ER to the Golgi and out to the membrane. It suits introductions to cell structure, organelle function reviews and quick whole-class quizzes.
Yes, it is free and works in any modern browser on laptops, tablets and classroom whiteboards. No account or sign-up is needed, so you can open it straight away in a lesson.
Mitochondria make most of the cell's ATP, the molecule cells use as energy currency. Cells that use a lot of energy, such as muscle cells, can contain hundreds to thousands of them.
Open the Organelle menu and choose a name. That structure is highlighted and the readouts show its typical size and job. Choose Show all to return to the full cell.
No. Organelle sizes and numbers are simplified for clarity. In a real cell the nucleus takes up far more of the space, and a cell holds many more mitochondria and ribosomes than shown.
Drop it into your LMS, blog, or class site — free.
<iframe src="https://kiwibee.io/en/simulations/animal-cell-3d-simulation/embed" title="Animal Cell | KiwiBee" loading="lazy" allowfullscreen style="width:100%;height:min(70vh,620px);min-height:420px;border:0;border-radius:16px"></iframe>Continue exploring

Compare three cell diagrams. Select structures, inspect their functions and compare illustrative sizes.

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From model to evidence
Use a worksheet to capture predictions, observations, and explanations after students explore.
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