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There are many practical uses for an anatomically correct medical model. For example, students studying various areas of medicine and physical therapy will often find a three-dimensional model of different parts of the body to be extremely helpful in their studies.
These models can help students get a clear picture of how parts of the human body actually function. It can be difficult to understand how various parts of a joint function, especially when you are just learning and have never been able to see the inner workings of a joint. However, whether it is a knee model or a model of a human heart, lungs or some other part of the body, an accurate and detailed model provides the next best thing to being able to view the real thing.