The given blank can be filled with the autonomic nervous system.
The ANS or autonomic nervous system is a part of the peripheral nervous system, which supplies glands and smooth muscles and thus affects the activity of internal organs.
The ANS refers to a control system, which functions majorly instinctively and monitors the functions of the body like digestion, heart rate, pupillary reaction, respiratory rate, sexual arousal, and urination. This the main mechanism system in control of the fight-or-flight reaction. Thus, it helps one to flee or fight from dangerous conditions.
The correct answer is C. Autonomic nervous system
Explanation:
The Autonomic nervous system refers to a system of nerves and specialized cells that is part of the peripherical system and controls unvoluntary or automatic reactions and movements. Due to this, the autonomic nervous system is responsible for the fight-or-flight response that occurs when there is a threat or harmful event and it is necessary to scape (flight) or face it (fight).
This causes an automatic or non-voluntary release of hormones especially adrenaline and other changes in the body such as muscle tension and increased heart rate. Thus it is your autonomic nervous system the one that prepares you to fight or flee from dangerous situations without any conscious effort.
