Question

which of the following body parts is associated with the greatest amount of brain tissue in the motor cortex? a arms b face c trunk d knees

Explanation:

The face has a high - degree of fine motor control and complex movements, so it is associated with a relatively large amount of brain tissue in the motor cortex compared to the other options. The motor cortex devotes more space to body parts that require more precise and diverse motor functions.

Answer:

B. face