The most appropriate answer is D !!
What experiment though lol
Watching adding notes, correcting, and overall being a part of the project he/she is working on.
Answer:
The sympathetic nervous system is involved in preparing the body for stress related activities; the parasympathetic nervous system is associated with returning the body to routine, day-to-day operations. The two systems have complementary functions, operating in tandem to maintain the body's homeostasis.
It was closely linked to the natural world