Q. Which of the following system provides the fastest means of communication within the body?
A) Endocrine system
B) Nervous system
C) Circulatory system
D) Digestive system
Explanation
Nervous system is mediated by ions, across the plasma membrane of neurons. It is the fastest mechanism of communication in the body and its average rate is 15 m/s, while endocrine system may take minute, hours and even days or months
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.