The Automatic Nervous System (ANS) regulates involuntary body functions like heart rate, digestion, respiratory rate, and blood pressure. It comprises the sympathetic and parasympathetic systems, which work in tandem to maintain homeostasis. The sympathetic system prepares the body for stress responses, while the parasympathetic system promotes rest and recovery.
The autonomic nervous system refers to the complex network of nerves and cells that control and coordinate the functions of the body. It controls activities in your body that happen without you even thinking about them such as your heart beating and respiration