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The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord.The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric and triploblastic animals—that is, all multicellular animals except sponges and diploblasts.
Human nervous system. Human nervous system – the part of the human body that coordinates a person's voluntary and involuntary actions and transmits signals between different parts of the body. The human nervous system consists of two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS).
The nervous system of vertebrates (including humans) is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). [16] The CNS is the major division, and consists of the brain and the spinal cord. [16] The spinal canal contains the spinal cord, while the cranial cavity contains the brain.
In biology, homeostasis ... [72] and neuroendocrine factors, to which slight changes can cause problems or damage to the nervous system. For example, ...
Microglia in this state are able to search for and identify immune threats while maintaining homeostasis in the CNS. [ 18 ] [ 19 ] [ 20 ] Although this is considered the resting state, microglia in this form are still extremely active in chemically surveying the environment.
In order to maintain homeostasis, the central nervous system responds constantly, via neural feedback, to environmental cues. [13] Stressful events disrupt the rhythmic structure of autonomic states, and subsequently, behaviors. [ 13 ]
Aquaporin-4's overall function is to provide fast water transportation as well as maintain homeostatic balance within the central nervous system. This channel can transport water up to speeds of 3E9 molecules per second. [7] It is the primary water channel protein that reconciles the homeostasis of water in the CNS. [6]
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect muscle function.