Question

medical students use a three-dimensional reproduction of a human skeleton to learn about bones. which item describes this learning tool An x-ray model? A physical model? A computer model? Or a mathematical model?

Answer 1

A plastic skeleton is

Answer: B. a physical model.

The world has lots of different kinds of models. A mathematical model might be a ball travels according to the equation $y = v_0 t - \frac 1 2 gt^2$. This isn't that. A computer model would be a program that somehow simulates a skeleton in the computer, this isn't that either. Our skeleton is an actual physical model just like a model airplane.