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Peripheral Nervous System | Short intro 6 месяцев назад


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Peripheral Nervous System | Short intro

The Peripheral Nervous System (PNS) includes all the nerves outside the brain and spinal cord (which make up the Central Nervous System, or CNS). The PNS connects the CNS to the rest of the body, enabling communication between the brain, spinal cord, and limbs or organs. It has two main parts: 1. Somatic Nervous System: Controls voluntary movements, like those of the skeletal muscles. 2. Autonomic Nervous System: Regulates involuntary functions, such as heart rate, digestion, and breathing. The autonomic system is further divided into: Sympathetic Nervous System (activates "fight or flight" responses) Parasympathetic Nervous System (promotes "rest and digest" responses) The PNS is essential for sensation and motor control, allowing us to respond to our environment. #nervoussystem #pns #brain #vertebrates

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