HUMAN PHYSIOLOGY
CONTROL AND COORDINATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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moving a hand off something hot
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sneezing
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picking up a book
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wink of eyes
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Detailed explanation-1: -Detailed Solution. The correct answer is Movement of hand. Breathing, Heart-pumping, Salivation, Blinking of eyelids etc. is a reflex action.
Detailed explanation-2: -Blinking of eyes is not a reflex action, but it is involuntary action. A reflex action is one which occurs spontaneously whereas involuntary action happens without the conscious choice of an organism.
Detailed explanation-3: -Reflexes protect your body from things that can harm it. For example, if you put your hand on a hot stove, a reflex causes you to immediately remove your hand before a “Hey, this is hot!” message even gets to your brain.
Detailed explanation-4: -There are different types of reflexes, including a stretch reflex, Golgi tendon reflex, crossed extensor reflex, and a withdrawal reflex.
Detailed explanation-5: -Coughing, yawning and blinking of eyes are examples of reflex actions.