This set of 7 individual, museum-quality hearts is perfect for comparative anatomy studies.
Each 2-part model is life size or slightly enlarged to allow easy identification of detailed external and internal structures.
Blood flow direction is also marked on each model, making it easy to discuss advantages and disadvantages of each variation.
Compare and contrast the structure and function of the 2-, 3-, and 4-chambered heart while studying topics such as the circulatory system and evolution.