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What functions of the nervous system enable the body to respond quickly?
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 knee) travel to your spinal cord or cerebellum -- whichever is closest to the stimulus -- and a response (coughing or knee-jerk) travels back to the area to provoke an appropriate reponse. Some voluntary responses can become involuntary responses, such as riding a bicycle. When learning how to balance, the actions are learned over and over until they become automatic. Some involuntary actions can be controlled voluntarily, such as holding your breath or a yogi who can slow his heartrate.
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Question: Explain how our nervous system enables our body to function. Well, the nervous system is our "Control or Navigation Room". All of what we hear, see, taste, smell, ar…e controlled by our Nervous System and the Nervous System goes through a process that must be under a second. How we interpret, analyze, and think is also controlled by the Nervous System. Well sometimes, analyzing can take a long time. Because, the brain is processing some stuff up there for you to come up with something. Remember: not all things that are controlled by the brain is fast and is under a second to react. Right now, my brain is talking and analyzing about itself, because, I am writing in my own words. So, I am not actually answering the question yet and I already have 8 sentences here. Okay, as I said that the Nervous System (or mainly the brain), is the "Control or Navigation Room". And it enables our body to function because, it sends messages to different parts of the body and that's how it does it. When the part of the body isn't functioning properly, the brain will send messages through the spinal cord and to wherever it will need to be delivered, and will say to that part, "Rest, so you will be well a little later." Question: Does our brain go to sleep when we are asleep? Um, no. They don't. Because, they are the ones who makes our dreams right? So, they will make up an unimaginable story and show a play in your mind starring you and different people you never knew. Well, if you don't dream, it doesn't mean your brain's sleeping. Remember that you move around whenever you sleep? You move side to side or even your face down the pillow. And as I have said above that the brain sends messages to make body parts move, right? So, the brain sends messages. I the right part of the back is tired, the brain will say, "Turn around the other way". That's how it goes! Source: Brain of Mine Hannah
The Nervous System.
Breathing, beating of the heart, digestion.
pumps blood to the body, it controls the immune system, muscular system, and endocrine system.
Afferent fibers conduct information from the sensory organs to the brain. Efferent fibers will send signals to our effector organs, mostly muscles and glands.
The function of the autonomic nervous system is to control involuntary actions, or body functions that must operate even without conscious awareness of those functions. It… regulates heart activity, acting like brakes and accelerators to decrease or increase the heart rate.
In general, the function of the nervous system is to transmit sensory information to the brain for processing and to transmit motor information from the brain for action.
Feel pressure and heat, and provide feedback to the brain concerning the body (the nervous system also sends a signal to our brain to limit our muscles from overusing).
The central nervous system (CNS) and the peripheral nervous system (PNS) work together to monitor, coordinate and control the activities of the whole body. The PNS picks up in…formation from outside and inside the body, passes them on to the CNS where they are processed and interpreted, and carries instructions from the CNS to the different parts of the body to enable the body to react to stimuli.
The brain sends them a message.
Receiving stimulus and responding to stimuli.
Which peripheral nervous system that activates the body while the parasympathetic nervous system restores normal functioning?
sympathetic nervous system
If you think of it as "fight or flight" it becomes a lot http://wiki.answers.com/Q/The_functions_of_the_Sympathetic_nervous_system_and_the_parasympathetic_nervous_system# to r…emember how it works. It increases the heart rate, increases energy production, decreases the GI system function, etc. 1. Increase cardiac output 2. Bronchodilation 3. Conversion of glycogen to glucose Generally fight-or-flight.
Epinephrine (called adrenaline in non-US English speaking countries)