Answer:
The nervous system is a complex network of tissues that transmit and process information in the body. It is responsible for regulating and coordinating the body's functions and behaviors. The main parts of the nervous system are:
The central nervous system (CNS): This consists of the brain and the spinal cord, which control and integrate all the information received from the peripheral nervous system.
The peripheral nervous system (PNS): This consists of all the nerves that connect the CNS to the rest of the body. The PNS is divided into the somatic and autonomic nervous systems, which control different functions.
The somatic nervous system: This controls voluntary muscle movements and sensations.
The autonomic nervous system: This regulates the body's internal functions, such as heart rate, digestion, and respiration, and it operates automatically and unconsciously. The autonomic nervous system is divided into the sympathetic and parasympathetic nervous systems, which have opposing functions.
Step-by-step explanation:
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