NERVOUS SYSTEM SPECIAL SENSE
SPINALCORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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during a scary movie
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when you’re thinking hard
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when you sneeze
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when you’re trying to fall asleep
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Detailed explanation-1: -Sneezing includes an autonomic reflex that closes your eyes. An autonomic reflex is a motor action that your body makes in response to a stimulus. It doesn’t involve a conscious decision on your part to take that action.
Detailed explanation-2: -Yet, we still close our eyes, why? It has to do with our nervous system. When your brain send the message to your nose that “We need to clear this place out” and you sneeze, this action causes stimulation of the nerves in your head and along the way your eyes are involuntarily told to blink.
Detailed explanation-3: -Sneezing is a vital respiratory reflex frequently associated with allergic rhinitis and viral respiratory infections.
Detailed explanation-4: -Sneezing is a protective reflex, and is sometimes a sign of various medical conditions. Sneezing has been a remarkable sign throughout the history.
Detailed explanation-5: -“This is an involuntary reflex, ” explains Moritz. “When our brain sends this muscle message, one part of the message is to close our eyes. It’s similar to a deep tendon reflex.”