The Endocrine System

Question 1

Contrast the nervous and endocrine system.

Answer 1

• Nervous: rapid transmission (milliseconds), nerve fibres for transmission, immediate response time, response is local and specific, short response duration (stops when stimulus stops), 1 effector (muscles or glands), electrochemical message.
• Endocrine: slower transmission (hrs-days), bloodstream for transmission, gradual response time, response is widespread and general, long response duration (can continue after stimulus stops), multiple effectors, chemical message.