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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 drugs suppress the sympathetic nervous system from working correctly?
Drugs that can suppress the sympathetic nervous system include beta-blockers, which block the effects of adrenaline and noradrenaline on beta-adrenergic receptors, and alpha-blockers, which block the effects of noradrenaline on alpha-adrenergic receptors. These medications are commonly used to treat conditions like hypertension, anxiety, and certain cardiac disorders.
What body system does the nerve cell belong to?
Neurons are the cells that carry impulses in the nervous system. They belong to both the central nervous system (the brain and cord) and the peripheral nervous system. For example, these cells can carry information from your touch receptors in the skin of your fingers to the brain where you interpret it. Perhaps what you touch is very hot. In a flash, the brain sends information back to your muscles so that you will remove the fingers as quickly as possible so you will not burn them.
What is the functional unit of the nervous system?
The nervous system gathers information from the external environment, stores and processes it, and initiates the appropriate responses.
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excuse me, i think he / she wasn't asking about what the nervous system is but what is
The functional unit of the nervous system is the neuron.
What can be found in brain and nervous tissue?
Yes. The brain is composed of two kinds of nerve cells neurons (which are either afferent, interneurons, or efferent) and neuroglia (which has several subtypes).
What are the major components of the central nervous system and the peripheral nervous system?
CNS = central nervous system (brain and spinal cord)
PNS = peripheral nervous system (that part of the nervous system that extends outside the central nervous system)
What are the types of indicators used in titration reaction labs?
Indicator ______________Color change ___________pH at end point
Methyl orange____________orange ---> yellow_______ 3.7
Litmus__________________ red ---> blue___________ 6.5
Bromothylmol blue ________yelow --->blue___________7
Phenolphthalein___________Colorless---> pink________9.1
What is the location for sensory neurons?
They can be found in the dorsal root ganglia, retina, peripheral vestibular organs, cochlea, and enteric nervous system. Then there are second order sensory neurons in the brain that form the basis of the 'sensory homonculus'.
Why is the parasympathetic nervous system important?
autonomic
The parasympathetic nervous system is part of the nervous system.
The central nervous system is the control center of the body. It includes the brain and spinal cord.
There are three main regions of the brain that receive and process information: the cerebrum, the cerebellum, and the brain stem. The spinal cord is the link between your brain and the peripheral nervous system.
The second division of the nervous system is the peripheral nervous system.The peripheral nervous system consists of a network of nerves that branch out from the central nervous system and connect it to the rest of the body. The peripheral nervous system is involved in both involuntary and voluntary actions.
The most common type of neuron found in the central nervous?
The most common type of neuron found in the central nervous system is the multipolar neuron. These neurons have many dendrites and a single axon extending from the cell body. Multipolar neurons are involved in processing and transmitting information in the brain and spinal cord.
Reuptake - process by which neurotransmitters are taken back into the synaptic vesicles.
What 3 structures are only innervated by the sympathetic nervous system?
The structures that are only innervated by the sympathetic nervous system include the sweat glands, arrector pili muscles (responsible for piloerection or goosebumps), and the adrenal medulla (part of the adrenal gland that releases hormones like adrenaline).
What are the cells involved in most nervous system tumors?
the cells involved in most nervous system tumors are called
The nervous system is the electrochemical system in the body that serves as the body control center and communications electrical-chemical wiring network. The brain processes sensory information, stores information about past experiences, and executes actions based those processed sensations and/or memories.
What describes a link between the nervous and excretory systems?
nerves detect changes to salt levels in the blood
Sleep and weightloss are they important?
When you wake up first thing tomorrow morning….
Add this ONE tasty ingredient to your juice…
It’s probably in your kitchen right now and it only takes 10 seconds:
>> Potent juice ingredient dissolves 62 LBs of thick fat
Impulses that are carried to the heart by means of the vagus nerve are?
Parasympathetic impulses and cause the heart rate to decrease.
How many membranes protect the brain?
The three membranes that protect the brain (meninges) are:
1) dura mater
2) arachnoid
3) pia mater
What part of the brain controls hearing?
The Primary Auditory Cortex is responsible for hearing and it is located in the superior aspect of the temporal lobe and performs the basics of hearing; pitch and volume.
What does it mean when your bottom lip twitches?
you and someone are going to argue or you are going to cuss somebody behind out good and proper.
*Old jamaican saying*
Its true
