Question:
Which of the following is not a reflex action ?
Which of the following is not a reflex action ?
Updated On: Aug 1, 2022
- salivation
- sweating
- withdrawal of hand when pinched by needle
- blinking of eyes
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The Correct Option is C
Solution and Explanation
A reflex action is an automatic (involuntary) neuromuscular action elicited by a defined stimulus. A reflex action is mediated via the reflex arc. Sweating is not a reflex action. Sweating (also called perspiration or sometimes transpiration) is the loss of a watery fluid, consisting mainly of sodium chloride (commonly known as salt) and urea in solution, that is secreted by the sweat glands in the skin of mammals. Sweat also consists of the chemicals or odorants 2-methylphenol (o-cresol) and 4-methylphenol (p-cresol). In humans, sweating is primarily a means of temperature regulation.
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Concepts Used:
Nerve Impulses
It is a kind of coded signal that travels along the nerve membrane to stimulus cells-like muscle cells, hormone cells, gland cells etc. Using this nerve impulse the Nerve cells Communicate with other cells to perform a particular task and this coded signal relays on the Axon of the neuron.
Read More: Nerve Impulse