Question

P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.​
(e) How do messages travel through the nerves Q and S? ​ ​

Answer 1

Answer:
Messages travel through Q (sensory nerves) and S (motor nerves) in the form of an electrical signal called nerve or electrical impulse.