A Signal is a piece of information that is communicated through using the senses. Thus, the correct option is D.
What is a sensory Signal?
A sensory signal may be defined as a process of transmitting information from one body part to the other through the sensory mechanism.
Therefore, the correct option for this question is D.
To learn more about Sensory signals, refer to the link:
https://brainly.com/question/1226598
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