Homeostasis is preserved through two major control systems Comparison of Nervous and Endocrine control systems (Fill in the blanks with the purple prompts provided) Nervous System Endocrine System Communicate via... (electrical vs chemical) Speed of signal (fast or slow) Persistence of signal (short or long lasting) Speed of target response (fast or slow) Size of area affected (local or wide range) Which one is the main control of growth Controls heart rate increase during exercise 1. Can you think of reasons why we have two different control systems to preserve homeostasis? Under what conditions would one be used over the other? ASUS