3 games from the Kidneys simulation: Find It, Match It, Build It. Each one has a Warm up, Explorer and Expert level.
Click the right part on the 3D model. Play in the 3D model: turn it, zoom in and tap.
Drag each name to what it does. Play in the 3D model: turn it, zoom in and tap.
Build the body system piece by piece. Play in the 3D model: turn it, zoom in and tap.