difference between the nervous tissue and nervous system
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Answer:
Nervous tissue is composed of neurons and supporting cells called neuroglia, or ” glial cells.” There are six types of neuroglia. Four are found in the central nervous system, while two are found in the peripheral nervous system. ... Neurons have cell bodies, dendrites, and axons.
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⏭️A System is a collection of parts, which when put together, work coherently as a unit. The human body is a system that is made up of many parts (sub systems). All these properly functioning units make the human body perform as a proper system. So human body is a system, so is a cell, and so is an ion channel. A When an input (stimulus) is applied to a system, the system works on that input, and it produces an output.
Nervous system, is made up of collection of neurons, glial cells, ventricles, blood vessels,…. Nervous system works to make us feel, move, interact with endocrine (hormonal) system, etc. Each system can be made up sub system. Nervous system is made up of visual system, auditory system, motor system, vestibular system, olfactory system, etc. You can break up a system and study each subsystem as a “whole system” by itself. The animal has to be alive for the system to work.
Nervous tissue is the physical part of the nervous system one can see and touch, whether it is dead or alive. Brain is tissue, spinal cord is tissue, and peripheral nerve is tissue. However, if I take a peripheral nerve while it is still alive, stimulate it at one end, and record at the other end, now I am studying the peripheral nerve bundle as a system. The properties of the nerve bundle will be exhibited by the profile of the recording; for example the conduction velocities of the axons contained in that bundle
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