What are the 4 nervous systems in the body?

What are the 4 nervous systems in the body?

The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.

What are the 3 types of nervous system?

It has three parts: The sympathetic nervous system. The parasympathetic nervous system. The enteric nervous system.

Where are the most nerves in your body?

Your fingertips are far more sensitive to touch. They have more nerve endings than your arm or back. Our fingers’ high degree of sensitivity makes us able to tackle many delicate tasks, from rapid texting to surgery.

What diseases affect the nervous system?

Nervous system diseases

• Alzheimer’s disease. Alzheimer’s disease affects brain function, memory and behaviour.
• Bell’s palsy.
• Cerebral palsy.
• Epilepsy.
• Motor neurone disease (MND)
• Multiple sclerosis (MS)
• Neurofibromatosis.
• Parkinson’s disease.

Can your nervous system heal?

Unfortunately, because of the complexity of the brain and spinal cord, little spontaneous regeneration, repair or healing occurs. Therefore, brain damage, paralysis from spinal cord injury and peripheral nerve damage are often permanent and incapacitating.

What part of the body hurts the most?

The forehead and fingertips are the most sensitive parts to pain, according to the first map created by scientists of how the ability to feel pain varies across the human body.

What is the most sensitive nerve in the body?

Which medicine is best for nervous system?

These may include:

• Pain relievers.
• Tricyclic antidepressants such as amitriptyline and desipramine (Norpramin), as well as other antidepressants, including duloxetine (Cymbalta) and venlafaxine (Effexor XR)
• Certain anti-seizure drugs, including neurontin (Gabapentin) pregabalin (Lyrica)
• Capsaicin cream.

Which is the smallest nerve in our body?

Trochlear nerve
Trochlear nerve is the smallest cranial nerve. Out of the 12 pairs of cranial nerves, the fourth paired cranial nerve, the trochlear nerve is the smallest of all by virtue of the number of axons.