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What is true about the peripheral nervous system?
Basically the peripheral nervous system (PNS) consists of all nerves and ganglia which are not in the central nervous system (CNS) which consists of the brain and the spinal cord. The PNS can be divided in to the autonomic nervous system (ANS) which controls involuntary functions such as heart rate and the production of saliva and the somatic nervous system. ANS can be further divided in to two categories called the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). SNS and PNS are integral in the homeostatic regulation of the bodies functions. The somatic nervous system is associated with the bodies voluntary movements such as those of the skeletal muscles, ie the act of you picking up a pen. It is also associated with receiving external stimuli ie hearing, sight and touch.
Is it true or false that The PNS is the part of the nervous system that provides links between the outside world and your bodies?
True. The Peripheral Nervous System (PNS) is the part of the nervous system that connects the central nervous system (CNS) to the rest of the body. It includes nerves that carry signals between the brain and spinal cord and the various parts of the body, allowing for communication between the external environment and the body's internal systems.
The peripherral nervous system has sensory nerve cells and motor nerve cells?
Yes, the peripheral nervous system consists of sensory nerve cells that transmit sensory information from the body to the central nervous system, and motor nerve cells that transmit signals from the central nervous system to the muscles and glands to elicit a response.
Synthetic drugs do not affect the nervous system?
Synthetic drugs can affect the nervous system by altering neurotransmitter levels, impacting brain function, and potentially leading to addiction. These drugs can have various effects, such as stimulating or depressing the nervous system, depending on their chemical composition and how they interact with the brain.
Does Gray matter contain collections of unmyelinated fibers and cell bodies in the central nervous system?
True
Does the sympathetic nervous system regulate body temperature?
True
True or false the sympathetic nervous system is sensitive to the suffering of other people?
true
Do both parasympathetic and sympathetic nervous systems operate with a chain of two motor neurons?
True
Is the Excretion is one function of the digestive system?
Yes it is true that excretion is one function of the digestive system. The nervous system is made up of the peripheral nervous system and central nervous system.
The autonomic nervous system is part of the motor division of the peripheral nervous system?
It is True
Is the thyroid in the nervous system?
True
Does the autonomic nervous system may cause activation or inhibitiom depending on the division that is active and the target that is affected?
Yes, the autonomic nervous system can cause either activation or inhibition depending on whether the sympathetic division or parasympathetic division is active, and which target organ is being affected. The sympathetic division generally activates the fight-or-flight response while the parasympathetic division promotes rest and relaxation.
Which statement is true about the nervous system is true?
It stores information
What is true about the normal microbiota of the nervous system?
normal microbiota are present in central nervous system only
What are similarities between the sympathetic and parasympathetic nervous system?
Question is short but answer is bit long. Parasympathetic system is meant for to to maintain the homeostasis and body building. Sympathetic system is meant to give you ' Fight or flight response. So you have pupils constricted in parasympathetic and dilated in sympathetic response. You need not see towards the world during first and need to look at the world carefully in danger. Secretions of gastrointestinal system are increased, peristalsis is increased, spinctures are opened up during stimulation of the parasympathetic system. This helps in digestion and body building. Vise verse is true with sympathetic system. During stimulation of the sympathetic system your cardiovascular system is on the toes, to supply more blood to muscles. So the heart rate is increased, stroke volume is increased ans as a result you have great increase in cardiac output. So cardiac output may go to 25 litres / minute from 5 litres / minutes. Blood vessels to muscles are dilated, so that almost 20 litres blood goes to muscles. Net increase from 0.5 litres to 20 litres / minute. In respiratory system you have bronchial system dilated to provide more oxygen to lungs in sympathetic stimulation, the bronchial secretions are less in amount and respiratory rate increases to high level. Vise verse is true with parasympathetic system, when you are resting and need less of the oxygen. In parasympathetic system you have contraction of urinary bladder and relaxation of the spincture to void the urine. During stress you have no time for urination and reverse is true. Erection of penis is managed by parasympathetic system and ejaculation is done by sympathetic system.
One function of the nervous system is to send information to and from all parts of the body?
duhhh the nervous system
True of False. Alcohol and other drugs alter mood and affect the mind by interfering with the central nervous system?
It is true that drugs and alcohol can affect the mind It can also interfere with the central nervous system.
