The Nervous System

The nervous system is a complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body.

The nervous system includes both the Central nervous system and Peripheral nervous system. The Central nervous system is made up of the brain and spinal cord and The Peripheral nervous system is made up of the Somatic and the Autonomic nervous systems.

The nervous system can be divided into two parts depending on the location: the central nervous system (Nervous System), which consists of the nerves in the brain (Brain) and spinal cord (Spinal Cord), and lies the central nervous system in the skull and spinal canal , And the second part of the nervous system is the peripheral nervous system (Peripheral Nervous System), which consists of the rest of the nerves of the body.

The nervous system can be divided in a different way depending on the voluntary control as follows:

The autonomic nervous system (Nervous System), also known as the Involuntary Nervous System. The function of this device is to control the functions of the body that occur continuously and without conscious demand, such as breathing, heart beat, and metabolic processes . The autonomic nervous system is characterized by rapid response to conditions and its ability to adapt the body to surrounding conditions, such as when it is given a body notice to secrete sweat if the body temperature rises. The autonomic nervous system consists of three main parts, as follows:

Sympathetic Nervous System, which inhibits digestion and stimulates physical and mental activity. It accelerates the heartbeat and opens the breathing stream to facilitate breathing.

The Parasympathetic Nervous System (Nervous System), which is responsible for controlling the functions of the body during rest; it helps the body relax, stimulates metabolism and digestion.

 Enteric (gastrointestinal) Nervous System. In fact, this device acts as a separate device; it is limited to control the movement of the intestine during digestion.

Brain functions :

 The brain has many functions and can be mentioned depending on the specific part of the brain. Cerebral cortex: This part of the brain controls language, perception, reasoning, thinking, and voluntary movements. Cerebellum: This part has the ability to control the body's posture, balance, and movement. Hypothalamus:

The hypothalamus is characterized by its ability to control the daily frequency (Circadian rhythm), emotions, body temperature, hunger and thirst. Medulla oblongata: The rectum is a key to life; it controls breathing, heartbeat, and blood pressure. Thalamus: Integrates sensory information and kinetic information. Limbic System: The sclerotic system works with other parts of the nervous system to control emotional response. Basal ganglia: Basal ganglia maintain the body's balance and movement. Midbrain: The average brain consists of sites that have the ability to control the movement of the body in general, eye movement, hearing, and vision.

The function of the nerve varies depending on its type.

Olfactory Nerve: It is responsible for smell. Optic Nerve: It is responsible for consideration. Oculomotor never: This nerve is responsible for the movement of the eye, the lens (Lens) and the pupil (Pupil). Trochlear Nerve: The umbilical nerve controls the upper oblique muscle of the eye.

Abdomens nerve: Works to move the eye outward. Trigeminal nerve: This nerve supports the eyes, cheeks, jaw, and controls the chewing process. Facial nerve: This nerve controls Salivary glands, facial muscles, scalp, and ears, as well as a sense of taste from two thirds of the front of the Sun. Acoustic Nerve: This nerve is responsible for hearing and maintaining balance. Glossopharyngeal nerve: Controls the taste from the end of the tongue and throat. Vagus Nerve: The vaginal nerve supports certain organs such as the chest and abdomen. The additional nerve (Nerve): Controls the movement of the shoulders and head. nerve.

You can maintain the health of the nervous system and prevent the diseases that may be infected by following some tips, including the following: Regular exercise. Refrain from smoking, alcohol, and drugs. Take enough rest. Control of diseases such as diabetes and stress. Eat a low-fat balanced diet, rich in vegetables, fruits, whole grains, folic acid, vitamin B6, and vitamin B12. Eat plenty of water. Take care to learn new skills to increase attention span and concentration. Reduce the intake of over-the-counter medications. Try to avoid strikes and falling.

This was a summary of the nervous system

We will talk about diseases that affect the nervous system and treat them

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