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प्रश्न
What is the difference between reflex action and voluntary action?
उत्तर
| Reflexes (Involuntary actions) | Vohmtary actions | |
| 1. | Spontaneous due to simuli. | Deliberate due to intention. |
| 2. | Originate due to specific stimuli. | Originate due to thoughts. |
| 3. | Expressed as muscular movements or glandular secretion. | Expressed as muscular movements. |
| 4. | Carried out mostly by the spinal cord and autonomic nervous system, and very few by the brain. | All of them are initiated by the brain. |
| 5. | Mostly protective due to environmental stimuli. | Mostly proauctive i.e a choosing desired goal. |
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संबंधित प्रश्न
What is the role of the brain in reflex action?
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
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State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
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Knitting without looking: …………………..
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Constriction of pupil
Reflex arc allows the rapid response of the body to a stimulus.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
