INTEGUMENTERY SYSTEM
APPENDAGES OF SKIN
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -Because the process of sweating is regulated by the sympathetic division of the autonomic nervous system, humans have little control over the mechanism of sweating. The skin is not able to receive stimuli because the cells of the epidermis are not living and therefore there are no sensory receptors in the skin.
Detailed explanation-2: -The sympathetic nervous system: This is the part of the ANS in charge of sweat control, regulating the temperature of your body so you don’t overheat when it gets too hot or when you’re stressed (known as the fight or flight response).
Detailed explanation-3: -That’s because cooling your body via sweating relies on a principle of physics called “heat of vaporization.” It takes energy to evaporate sweat off of your skin, and that energy is heat. As your excess body heat is used to convert beads of sweat into vapor, you start to cool down.
Detailed explanation-4: -The sympathetic nervous system normally controls facial sweating. However, after injury to postganglionic sympathetic fibres, parasympathetic fibres sometimes make functional connections with sweat glands, so that parasympathetic reflexes provoke pathological sweating.