Define-reflex action, Reflex are chemotrophism, ganglion, nerve impulse, synapse , stimulus, meninges
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Answer:
A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.
The simple reflex
A reflex, or reflex action, is an involuntary and nearly instantaneous response to a stimulus - usually resulting in a movement which is beneficial or helpful in some way.
A ganglion is a sac-like swelling or cyst formed from the tissue that lines a joint or tendon. The tissue, called synovium, normally functions to produce lubricating fluid for these areas. A ganglion is a cyst formed by the synovium that is filled with a thick jelly-like fluid.
a signal transmitted along a nerve fibre. It consists of a wave of electrical depolarization that reverses the potential difference across the nerve cell membranes.
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