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Nervous System

This category is for questions about the mechanical and chemical process of reactions to internal and external stimuli, ranging from the brain down to the spinal cord, and all nerves, cells and tissues in between.

3,047 Questions

What health habits that helps prevent the ailments of nervous system?

healthy foods for your body could be maybe salad stuff that dont have sugar on it.

Some of the healthiest foods for the brain would be blueberries, salmon, walnuts, avacado, etc.

What is an example of integration by the nervous system?

Example: when you step on a nail, your body perceives a stimulus (change in external or internal environment) receptor is the specific thing identifying stimulus, in this case, the skin, then a nervous impulse is generated and is transmitted through a chain of neurons towards central nervous system, sent to the brain where the impulse is interpreted (integration) by the brain, brain will send off new impulse via motor neurons through spinal cord through nerve to muscle to carry out response.

Why is the nervous system important to you in school?

It is important to study the nervous system in psychology because certain behaviors and mental conditions stem from a known characteristic in the nervous system. Some people suffering from disorders such as Alzheimer's have related neural characteristics.

Which cranial nerve is attached to the cerebrum?

The cranial nerves that are attached to the medulla oblongata are the glossopharyngeal, vagus, accessory and hypoglossal nerves. The glossopharyngeal nerve is the ninth cranial nerve that causes the tongue, throat, and parotid gland to function properly. The vagus nerve is the tenth cranial nerve which helps with motor production, mainly regarding the process of voice production. The accessory nerve is the eleventh cranial muscle whose only function is motor function, mainly regarding the trapezius and sternocledomastoid muscles. Lastly, the hypoglossal nerve is the twelfth cranial nerve which helps in the proper functioning of the muscles under the tongue.

What are three things that make people mad?

People are pretty simple. Frustration makes most people angry. If you think about all the times when you got mad, you were probably frustrated and not allowed to do something you wanted. Sometimes, people get angry at something they see or hear about that others are doing which is bad - like people getting angry about animal abuse or torture. But mostly it is frustration. However if you're talkin about driving someone crazy then I would say something like paranoia when they think someone is following them or they think random strangers are saying there name-this is quite common with popular names such as amy, emily,stacey,courtney,james,john,paul etc and maybe they can see evil faces everywhere they go.

A rapid simple automatic response that involves few neurons is?

A reflex action is a fast, automatic response to a stimulus by an effector organ i.e. a muscle.

What is the part in reflex in the response?

Reflex action is your body's reflex against injury. It is needed in every part of your body.

What are some things that can result from an injury on your brain?

There two main categories for brain injuries are traumatic and acquired brain injury. Within these categories, here are five possible injuries: Traumatic includes concussions and shaken baby syndrome. Acquired brain injury is created by a loss of oxygen from such things as choking, electrical shock and trauma to the head.

Is the brain and spinal cord part of the endocrine system?

The hypothalamus, the small fore-brain structure involved in regulating eating, drinking, and sex; directing the endocrine system; and monitoring emotion, stress, and reward.

What role does the nervous system play in reproduction?

The brain is the main organ of the Nervous system & sex starts in the mind which is in the brain. Therefore, for reproduction in species to take place, the reproductive system needs signals from the brain to start its process...something like that I think..

Name 2 parts of the peripheral nervous system?

the peripheral nervous system consists of 2 types of nerve systems:

1.cranial and spinal nerves

2.autonimic nervous system; which is further catogerized as : sympathetic nervous system and parasympathetic nervous system.

the cranial and the spinal nerves ramify and connect the spinal cord and brain (the central nervous system) to whole of the body.

while the autonomic nervous system is responsible for controling the actions of the glands; the functions of the respiratory, circulatory, digestive, and urogenital systems; and the involuntary muscles in these systems and in the skin.

What is the difference in the origins of the nerves in the sympathetic and parasympathetic system?

There is no difference in the origins of the nerves in the sympathetic and parasympathetic nervous system. The differences come from the lengths and the neurotransmitter released. The parasympathetic nervous system is a two nerve system. The first nerve is long and releases acetyl choline. The second nerve is short and also releases acetyl choline. The sympathetic nervous system is also two nerves, the first being short and releasing acetyl choline. The second is long and releases norepinephrine.

Hope this helped!

What cranial nerve carries smell impulses to the brain?

The olfactory nerve, also known as the first cranial nerve, transports impulses for sense of smell to the brain. The olfactory nerve is capable of regeneration.

Do white people have melinin in their central nervous system?

Every human being has melanin.

Human brains do not differ very much country to country.

They do however differ person to person. Einstein's brain and the brains of savants have some noted differences.

How does the nervous system affect the excrectory system?

The kidneys are controlled by signals from the brain.

The brain sends hormones to the kidneys.

What are the major components in the Autonomic nervous system?

The basic components of the ANS are the sympathetic and parasympathetic branches. The sympathetic branch, or SNS, is responsible for the flight-or-fight response and the parasympathetic, or PNS, is called the rest-and-digest system.
parasympathethic and sympathetic nervous system