Answer:
Option A
Explanation:
Unlike endocrine system, nervous system does not require a medium for transmission of signals. This is the reason why nervous system is faster in signal transmission as compared to the endocrine system. Signals with in nervous systems are transmitted by using electrical signals which are fast and short lived
However, an endocrine system discharges hormones or chemicals produced by glands into the blood stream therefore it takes time to respond.
Hence, option A is correct
