Nervous System A and P – EMS SG

Understanding Hemorrhagic Shock

The nervous system is a complex network of specialized cells, tissues, and organs that coordinates and regulates various functions within the body. It is responsible for transmitting signals between different parts of the body, allowing them to communicate and respond to internal and external stimuli. The nervous system plays a crucial role in controlling everything from basic bodily functions like breathing and heartbeat to complex processes like thinking, feeling, and moving.

The nervous system can be divided into two main components: the central nervous system (CNS) and the peripheral nervous system (PNS).

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Central Nervous System (CNS)

This includes the brain and spinal cord. The brain is the control center of the body, responsible for processing information, making decisions, and controlling voluntary and involuntary actions. The spinal cord acts as a communication pathway between the brain and the rest of the body, and it also controls some reflex actions.

Peripheral Nervous System (PNS)

Somatic Nervous System
This controls voluntary actions and sensory perception. It enables you to consciously move your muscles and receive sensory information from your environment.

Autonomic Nervous System
This controls involuntary functions such as heart rate, digestion, and breathing. It is further divided into the sympathetic and parasympathetic divisions, which work together to maintain a balance in bodily functions.