Animal Physiology
The sympathetic nervous system is a component of the autonomic nervous system that prepares the body for 'fight or flight' responses during stressful situations. It increases heart rate, dilates airways, and redirects blood flow to essential muscles, all of which are vital for quick reactions and survival. This system plays a crucial role in maintaining homeostasis by balancing the body's response to stress and regulating physiological processes, especially during times of high demand.
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