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The nervous system tells when you are hurting or are in pain.

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Q: What are some interesting facts about the nervous system?
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What is a sentence using the word central nervous system?

I've suffered some damage to my central nervous system.


Do the central nervous system and the peripheral nervous system function independently of one another?

No, there's some kind of doohickey that connects them.


Is the autonomic nervous system?

The autonomic nervous system that controls the functions within the body. Some functions that it controls are the heartbeat, digestive system, and breathing. The autonomic nervous system is the part of the peripheral nervous system that acts as a control system. It functions largely below the level of consciousness to control visceral functions.


Which human body systems are directly involved in reflex actions such as knee jerk blinking and jumping when startled?

Nervous system and Muscular system usually. For some, the Sensory system, a part of the Nervous system, also has to do with reflexes.


How many cells in a nervous system?

You could say there are 2, The Central Nervous System(CNS), & the Peripheral Nervous System (PNS).To be more inclusive, here is a list of human nervous systems:The Central Nervous System (CNS), the Peripheral Nervous System (PNS),the Somatic Nervous System (SNS), the Autonomic Nervous System, the Sympathetic Nervous System, and the Parasympathetic Nervous System.That would make a total of 6, although the Sympathetic and Parasympathetic are parts of the Autonomic Nervous system, which could mean a total of 4, and the Autonomic is itself a part of the Peripheral Nervous System, which would bring the total back to 2.The Central Nervous System is comprised of the brain and the spinal cord;the Peripheral Nervous System connects the CNS to other parts of the body, and is comprised of the Somatic Nervous System and the Autonomic Nervous System;the Somatic Nervous System includes all the nerves controlling the body's muscular system, and sensory nerves;the Autonomic Nervous System consists of motor neurons which control internal organs, and is comprised of two sub-systems, the Sympathetic Nervous System, and the Parasympathetic Nervous System;the Sympathetic Nervous System is involved in the fight-or-flight response, and the Parasympathetic Nervous System is involved in relaxation.