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Nervous System

~4500 answered questions
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.
I don't think stainless steel is a heavy metal. You kind of answered your own question by referring to both 'heavy metals' and 'metal.' They are not the same thing. While 'heavy metals' are metal, not all metals are 'heavy metals.' 'Heavy metals' refer to metallic chemical elements that have relat…
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The fastest response from the nervous system is from the autonomic system which is involuntary. Heartbeat and reflex movement come from this system which is out of your conscious control. It is centered in the cerebellum and spinal cord. Impulses from your sense organs (a bad smell or a knock to the…
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These are some good reflex exercises you can practice: 1. Woods Running - Run through any wooded area, dodging trees and navigating uneven terrain. The faster you go, the better practice it is. 2. Wall Ball - bounce a ball against a wall. Standing closer to the wall and throwing harder will make …
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The half life of the levonorgestrel dose is somewhere between 25 and 35 hours, but I suspect that you're asking one of two other questions. The levonorgestrel morning after pills will not protect you against sex you have after you take it. Unprotected sex after taking the morning after pill is one o…
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Central Nervous System The central nervous system includes the brain and spinal cord. It controls behaviors in the body.
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Which type of Coke are you talking about -- the illegal drug Cocaine or the soft drink Coca-Cola? I'm going to go with the soft drink: the number one negative ingredient is the high fructose corn syrup, which is not digested in the same way as natural sugar, and causes much more obesity, makes you c…
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A neurotransmitter is a chemical or peptide in synapses, usually between neurons, a neuron and muscle or a neuron and other organ. The neurotransmitter transmits information to and from and within the brain. When a neurotransmitter is released from the presynaptic cell in response to depolarization …
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I am going to assume you are talking about decapod crustaceans, which is the kind most people eat. You can imagine a lobster as I describe the parts, but the description applies generally to all decapods, even crabs. The animal is covered by a chitinous exoskeleton. The shell that makes up the head…
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There are many illustrations on google images.
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Yes, the brain is the Most important part of the central nervous system.
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The parts of the nervous system include the brain, spinal cord, and nerves.
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ventral root from the ventral horn of the spinal cord is motor. If ventral root is cut it will lead to to a kind of paralysis called flaccid paralysis. This is because ventral horn contains lower motor neurons. As such the skeletal muscle innervated by the root is paralysed
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Yes
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An abdominal reflex is a polysynaptic reflex (as being superficial reflex) that is stimulated by the stroking of the abdomen around umbilicus. If thereÕs no abdominal reflex, it is the effect of a physiological absence due to tolerance or obesity.
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You never know if you will get rejected or not, so you have to take the risk. The best way might be to either write it down in a note or make a phone call. No one likes rejection, but everyone faces rejection during their lives. It is how we deal with it that matters and it should be taken "with a …
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They do, but they are very simplistic. They do not handle emotion, complex thought (at least for most species) or even pain (in most of them).
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Answer The major lymphatic duct is the Thoracic Duct which returns lymph from the the whole body except from the right side of the head and the right arm/shoulder. These parts are drained by the Subclavian Trunk. Both vessels drain into the junction of the subclavian and jugular veins on their r…
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Dysfunction of the nervous system does not contraindicate massage. My personal work involves working with the nervous system to release nerves and muscles. Active stimulation of the nerves, although painful, and with probable bruising, can improve nerve conductivity, increase mobilization, almost im…
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Learning consists of: -Determining how good or bad the behavior is -Strengthening connections if the behavior is good, and -Weaking connections if not. The first line is an open question in science today, glutamate is the main excitatory neurotransmitter, and GABA is the main inhibitory neurotra…
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If the muscular system didn't work, you wouldn't be able to move, breath or talk.Basically, you would become a vegetative.
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Alcohol affects the nervous system by slowing your reaction time down; like your nerves and brain cells won't get messages as fast as you would like them too. Also it could make your breathing slow if not stop it.
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Answer it inflames it, causing your salivary glands to inflame and overreact which makes you foam at the mouth
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Neurovirology is an interdisciplinary field which represents a melding of clinical neuroscience,virology,immunology, and molecular biology. The main focus of the field is to study viruses capable of infecting the nervous system. In addition to this, the field studies the use of viruses to trace neur…
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For clarity, let us consider the systems before we address this question. The lymphatic system filters the fluids that bathe cells in the body, trapping bacteria and viruses in lymph nodes. From here immune responses can be mounted to clear the invading matter. A part of the nervous system, refer…
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No, post-ganglionic sympathetic fibers mostly release norepinephrine. But they do release some ACh to the sweat glands, which causes concurrent vasodilation of surrounding blood vessels (paired with release of bradykinin from sweat glands).
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the nervous system works with every other system in your body
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Listed below are some suggestions you may want to consider when speaking publicly. Realize you are not alone. Most individuals experience some type of nervousness when speaking to a crowd. It's normal. Some just experience it to greater degrees than others.Know your subject matter thoroughly. This …
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Adenosine receptors stick through the neuron membrane, so that part of them are on the inside and part is on the outside of the cell. Now, when adenosine, a natural chemical in the body, attaches to the adenosine receptor it shifts the shape of the receptor, this shift reaches all the way to the par…
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Answer Cutting the ventral root of a spinal nerve will denervate all target organs that receive efferent innervation from that spinal nerve. Spinal nerves are made by the joining of dorsal and ventral roots of a spinal cord segment. Dorsal roots generally carry sensory information, while ventral…
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Yes a person can die. It is part of the human experience.
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The answer is heat and bad coldness if you want the money you says banana
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This is the part of the nervous system than controls skeletal muscle (and, so, voluntary movements). Initiation of voluntary movement begins in the cortex of the brain, and involves: 1. Planning and initiation of movement: controlled by the prefrontal cortex, supplementary motor area, premotor cor…
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Damage to a single spinal nerve will not completely paralyze a limb.
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This could be caused by epilepsy or another condition such as Parkinson disease.
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anxiety
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Answer Muscle twitches or spasms can be caused by a number of factors, mostly stress or fatigue. A diet low in potassium has also been found to increase the likelihood of involuntary musclular twitches.
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I dont know the percentage but the 3 types of it are Sensory nervesMotor nervesMixed nerves
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it feels like something is crawling in my back and my head why?
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to send the message to all parts of the body.
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Answer The nerves can produce an electric current that can be transmitted. If muscles receive this current, called the action potential, they can transmit the current along the entire length of the muscle cell. Your skin can also produce an electric current, and this is often referred to as the g…
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Common ailments of the nervous system include: PoliomyelitisTumorCerebral palsyCerebral thrombosisAmnesiaEpilepsyMeningitisParalysisEncephalitisSpinocerebellar Degeneration Diseasenana , infection of bacterial inanimous super caoptain barbelcontusion concussion parinksons diseasecommon ailments of…
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tang ina ng mga grade six amethyst mga tanga kau lalo kana rick ryan .. guzman at jmattew heheh joke lang
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connector is the the one who connect the nerve cell & sensory into motor nervecells
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i know some....first the very known part of it was the BRAIN.is has 3 major parts.the cerebelum,cerebrum and the ......i forgot! i know some....first the very known part of it was the BRAIN.is has 3 major parts.the cerebelum,cerebrum and the ......i forgot! Don't write anything if you don't know t…
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ailments of nervous system
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Tips on how to take care of the nervous system:1. To protect the brain, avoid any fall or accident that can injure it. Observe safety measures to avoid falls and accidents.2. Eat foods for the brain and the nerves. These foods are those rich in Vitamin B like beans, peas, mongo, and vegetables.3. Co…
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The major parts of the nervous system are the brain, spinal cord, and nerves.brain spinal cord and neuron or nerves
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The "medulla oblongata", commonly known as simply the "medulla", is the lower half of the brain stem. It controls the cardiac, respiratory systems and other autonomic systems.
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The nervous system consists of the brain, spinal cord and nerves, all of which play a vital role in homeostasis. For example : Thermoregulation, increase in body temperature. In humans when the blood temperature is above average, receptors detect the heat. Nerve impulses pass information to the hy…
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1 The best basis for the heath of any body function and system is a healthy diet. Everyone knows this, but few people actually follow a healthy eating plan. Eat plenty of fresh fruits and vegetables every day. It is easy to replace poor eating habits with good ones. Instead of cereal for breakfast,…
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It is caused by our brain's interpretation and reaction to the sensations of spinning motion generated by the Vestibular System of the inner ear, the Visual System's reaction to motion and the body's signals from the Skeletal System (especially the joints) indicating motion. Our ears do more than …
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Five senses are sight (seeing), hearing (listening), smelling, feeling (touch), and tasting.
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Yes. All animals in the world have muscles, otherwise they wouldn't be able to move.
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You either have an alignment problem or your tires need to be rebalanced.
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Not so well. In a way surprisingly similar to when you are drunk. I highly recommend Counting Sheep, By: Paul Martin for more on this subject. Reaction time is impaired. You are more temperamental. You may make reckless decisions more often than were you not tired. Basically nothing goods from being…
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There is an estimated 100 billion in the brain
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The Nervous System basically sends messages to the brain and sex kantutan and changes around to my body. Eg: If you trample a nail, the nervous system delivers the message to your brain and you get a pepe and tite. I'm just learning about that. Without pain, we would not be protected from outs…
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Sensory images are images created in your head from a very detailed description of something, often using more than one of the five senses (sight, smell, taste, touch, and hearing). Also, the sensory images can be what you imagine in your head as you read the story you image what is happening in the…
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The central nervous system comprises the brain and the spinal cord. Both of these consist of nerve cells, called neurons, and supportive cells (e.g., astrocytes or Schwann cells).
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ganglion   The most straight-forward answer would be the hypothalamus, because in simple terms, the hypothalamus controls the pituitary gland and the pituitary gland is the "master gland" of the endocrine system. But you could probably have a nice long discussion about what exactly counts a…
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Because a reflex action is automatic and does not involve a thought process. Edit: A reflex action only has to go to the spinal cord and then back to the limb, whereas a voluntary reaction has to go to the brain to be processed and therefore takes longer.
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Nervous tissue
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A reflex is a quick involuntary action. There are five steps to a reflex: the stimulus occurs, the sensory neurons sense the stimulus, it sends a message to your spinal cord (it doesn't reach the brain right then), the spinal cord sends a message to your motor neurons, and the reflex occurs. While t…
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In parasympathetic reflex arc the preganglionic nerve fibre is longer than post ganglionic fibre, that is the synapse occur near the organ or tissue. While in sympathetic reflex arc both the pre and post have moderate sizes. The postganglionic fibre of parasympathetic always secrete acetylcholine as…
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Place finger pressure on the proximal and distal branches of the nerve where then run under the medial side of the heel (about 2/3rds of the way from the back of the heel and at the beginning of the inner longitudinal arch). It will be extremely painful to palpate these areas.
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The nervous system's main function is to control the operation and movements of the body based on the sensory information it gathers, both internally and externally. The functions include: * To maintain your consciousness * To help you respond to your senses * To help coordinate what you sense a…
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The nervous system basically works by neurons, or nerve cells. There are three different types, afferent sensory neurons, interneurons, and efferent motor neurons. The nervous system receives stimulation from the external environment or internal world (your body) and processes that information to el…
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The classic definition for an involuntary action would be a reflex. For example the doctor taps your knee and a monosynaptic (nerve to spinal cord and back again to the knee) contracts the muscles to cause the leg to kick. There are other interesting actions. Go into a room and make a loud noise and…
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1. relating to sensation and the sense organs - "heightened sensory awareness" 2. involving or derived from the senses 3. connected with the physical senses of touch, smell, taste, hearing and seeing 4. of, pertaining to, or transmitting stimuli to the senses. 5. conveying nerve impulses from th…
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Products of carbohydrate digestion (simple sugars) and products of protein digestion (amino acids) move through brush border cells, diffuse through the interstitial fluids inside the villus, then enter a capillary. Products of fat digestion (triglycerides) also cross the brush border cell and inters…
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A white fatty substance that insulates and protects the axon.
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Because cerebral cortex has too many work already. If we have to think about contolling the hair may be we can be only the porcupine instead of two legs mongky. ^^
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Physiological needs are food, water, breathing, and homeostasis. Example of retail stores that appeal to customers' physiological needs include WalMart, Target, and Sear's.
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Yes as you get older and older your sense starts to go just like your hearing
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The human body has several ways of adapting to it's environment. Specifically, it can regulate it's temperature, adjust to a variety of different diets, or adjust heart and breathing rate.
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It takes the average person 20-30 minutes to fall asleep.
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Depending on the type of pill, it can vary with how long it stays in your system. For example, antidepressants can stay in your system for up to 90 days.
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No because it has no nerve endings. That's why brain surgeries can be performed with the patient awake.
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both symphataticand parasyphatatic nervouse
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Answer It makes chemicals. For example, chemicals from and to the brain and stomach help you to know when you are hungry/full.
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Take off their socks tie them to a secure surface and tickle their entire body
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No, they are two different systems but the circulatory system is controlled by the nervous system.
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The passage of a signal across a synapse is called synaptic transmission. A link describing the process in detail is given in the related links section. A simplified explanation follows. Within neurons, information travels via electrical impulses called action potentials. Action potentials cannot b…
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ewan ko sa inyo!
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The hypothalamus aids in regulation of the body's temperature.
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Answer Well, there are really only three types of fibers, but they all have different sub-classes to them. A, B, and C. A and B fibers are myelinated, and C fibers are unmyelinated. A fibers are broken down further by conduction velocity into 4 main groups, alpha, beta, gamma, and delta. In gener…
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It includes nerves arising from brain and spinal cord innervating different parts of the body respectively called as, cranial and spinal nerves. Comprises of all nerves which connect the central nervous system with receptors and effectors. Nerves connecting the receptor organs to the CNS are called …
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Has three overlapping function• Sensory receptors monitor changes inside and outside the body• Detect changes or 'stimuli'• Gathered information becomes the 'sensory input'• Processes and interprets sensory input• Makes decisions- called 'integration'• Dictates a response by activating e…
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Types of catpults: the ballista- Similar to Giant Crossbow and works by using tension The Trebuchet-The massive Trebuchet consists of lever and sling and capable of hurling two-hundred pound objects three-hundred yards The Mangonel-Missiles launched from bowl-shaped bucket at end of giant arm T…
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Muscles of the tongue are innervated by the hypoglossal nerve (the twelfth cranial nerve, or CN XII). Touch sensation from the anterior two-thirds of the tongue is carried by the trigeminal nerve (CN V), and from the posterior one-third by the glossopharyngeal nerve (CN IX). Taste sensation from the…
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The nervous system sends a signal to the heart to make it beat. I also helps control not just the beat, but also the blood pressure as well. The part of the brain that controls the heart beat is the medulla oblongatta in the brain stem.
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Pill bugs belong to the family Armadillidiidea. As members of the order Isopoda their nervous system is centralized, though in a very basic fashion, in the form OS nerve clusters called Ganglion.
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