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Adrenaline released from the adrenal glands into the bloodstream.

This causes heart rate to increase

Blood flow to be redirected to the necessary muscles

Things like your digestive system and reproductive system to slow down

Pupils dilate

Breathing rate increases

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13y ago

lowers your neurotics

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Q: How does the sympathetic nervous system help when your scared?
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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.


Repair of nerve fibers differ in the peripheral nervous system and the central nervous system?

How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? We can help our nervous systems by improving our reflexes


What is the circulatory system help maintain homeostasis by interacting with?

Nervous system


How does the nervous system help?

It sends messages to your brain.


Sympathetic system affects blood pressure by affecting cardiac output and total peripheral resistance?

The sympathetic nervous system increases blood pressure by increasing cardiac output, which is the amount of blood ejected by the heart per minute. It also increases total peripheral resistance, which is the resistance to blood flow in the blood vessels. These actions help to increase blood pressure in response to stress or other physiological demands.

Related questions

How might mimicking the the sympathetic nervous system help alleviate an asthma attack?

The sympathetic nervous system causes dilation of the bronchioles. This can alleviate symptoms of an asthma attack.


How does your sympathetic nervous system use feedback to keep you healthy?

It speeds up your heart rate to help you deal with danger.


What does simpathetic mean?

There is no word that is "simpathetic" The only word there is, is the word "sympathetic" It is a nervous system in your body! I hope that would help!


How might inhibiting the sympathetic nervous system act to lower blood pressure?

It will help to calm you down and make you feel less nervous or anxious. This will result in a lowering of blood pressure.


How nervous system help maintain homeostatis?

The Nervous System has two separate control system the sympathetic and the parasympathetic stimulation. Both parts of the system work in opposition to each other. The sympathetic nervous system stimulates the heart, blood vessels, lungs and the metabolic system to prepare for the activity. The parasympathetic system is in control of rest and leisure periods, it also works to conserve energy. As you work out the sympathetic system takes over and act on both the heart and the release of hormones to stimulate the body into workout mode. The nervous system maintains homeostasis by sending signals to the brain and to the rest of the body.


How does deflex affect the nervous system and help sleep?

deflex affects the nervous system by not allowing it to work properly


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.


What is the major system of the nervous system?

The major system of the nervous system is the brain. Also the spinal cord helps the brain so it is a big help in the nervous system. hope i answered your question!


Repair of nerve fibers differ in the peripheral nervous system and the central nervous system?

How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? We can help our nervous systems by improving our reflexes


Why start the massage on the back?

The massage treatments are USUALLY started on the back because: a) this is where the most trouble is b) you have access to the occipital area, where you can stimulate the PNS and SNS (parasympathetic nervous system and sympathetic nervous system, respectively) which will help your client relax, c) the client requests A massage therapist will start their treatment wherever their client wishes.


What is the circulatory system help maintain homeostasis by interacting with?

Nervous system


How does the nervous system help in your body?

blood = winning