Knowledge of the Structure of Body Parts Helps Us to Understand

Knowledge of the structure of body parts helps us to understand their function. Which of the following is an accurate example of that principle?

A) The basic structural unit of the body is the cell.
B) The internal environment of the body is maintained in a relatively stable condition.
C) Moveable joints allow us to bend our fingers to perform many different actions.
D) Each tissue type is composed of cells that have a similar structure and function.
E) Negative feedback is not homeostatic.