Class 5 Exam > Class 5 Questions > What is the reflex action?a)A voluntary actio...
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What is the reflex action?
- a)A voluntary action that our body makes
- b)A slow action that our body makes
- c)An involuntary and quick action that our body makes
- d)An action that involves the brain only
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
What is the reflex action?a)A voluntary action that our body makesb)A ...
Reflex action is an involuntary and quick action that our body makes in response to a stimulus. This means that we don't consciously think about or control the action, it happens automatically.
How it works?
The reflex action involves a reflex arc, which is a pathway that the nerve impulses travel along. This pathway includes the sensory receptor, sensory neuron, interneuron, motor neuron, and effector. When a stimulus is detected by the sensory receptor, the impulse travels along the sensory neuron to the spinal cord. Here, the impulse is passed along to the interneuron, which processes the information and sends a signal to the motor neuron. The motor neuron then sends an impulse to the effector, which is usually a muscle or gland, causing the reflex action.
Examples:
There are many examples of reflex actions that occur in our daily lives, such as:
1. Blinking when something comes close to our eyes
2. Pulling our hand away from a hot object
3. Sneezing when something irritates our nose
4. Kicking our leg when the doctor taps our knee with a hammer
Conclusion:
In summary, reflex action is an important mechanism that helps our body respond quickly to potential danger or harm. It is an involuntary and automatic process that involves a reflex arc, and we don't have conscious control over it.
How it works?
The reflex action involves a reflex arc, which is a pathway that the nerve impulses travel along. This pathway includes the sensory receptor, sensory neuron, interneuron, motor neuron, and effector. When a stimulus is detected by the sensory receptor, the impulse travels along the sensory neuron to the spinal cord. Here, the impulse is passed along to the interneuron, which processes the information and sends a signal to the motor neuron. The motor neuron then sends an impulse to the effector, which is usually a muscle or gland, causing the reflex action.
Examples:
There are many examples of reflex actions that occur in our daily lives, such as:
1. Blinking when something comes close to our eyes
2. Pulling our hand away from a hot object
3. Sneezing when something irritates our nose
4. Kicking our leg when the doctor taps our knee with a hammer
Conclusion:
In summary, reflex action is an important mechanism that helps our body respond quickly to potential danger or harm. It is an involuntary and automatic process that involves a reflex arc, and we don't have conscious control over it.
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Community Answer
What is the reflex action?a)A voluntary action that our body makesb)A ...
Reflex action is an automatic, quick action that our body makes, often without us even thinking about it, in response to a stimulus.
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What is the reflex action?a)A voluntary action that our body makesb)A slow action that our body makesc)An involuntary and quick action that our body makesd)An action that involves the brain onlyCorrect answer is option 'C'. Can you explain this answer?
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