One reason our lips and fingertips are so sensitive is that they:
A)are used much more often than other areas of the body.
B)contain a relatively sparse arrangement of touch receptors.
C)are connected directly to the receptors in the spinal cord.
D)have a large topographical representation in the somatosensory cortex.

Question

Quizplus · Accepted Answer

Lips and fingertips have a larger representation in the somatosensory cortex, which is responsible for processing touch and other sensory information. This increased representation allows for greater sensitivity and discrimination of tactile stimuli.

One Reason Our Lips and Fingertips Are So Sensitive Is