The picture below shows a model of the human digestive tract.

Question

Which of the following best describes the purpose of this model?
A.
to show how organs in the digestive tract are compressed by contracting muscles

B.
to show the parts of the digestive tract without having to use real organs

C.
to show how microscopic molecules flow through the digestive tract

D.
to show the function of one organ in the digestive tract in isolation

Answer 1

The best answer describing the purpose of the model of the human digestive tract is:

B. to show the parts of the digestive tract without having to use real organs.

This option best captures the idea that the model serves as a representation of the various components of the digestive tract.