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प्रश्न
What is the difference between reflex action and voluntary action?
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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
How are involuntary actions and reflex actions different from each other?
With the help of a neat and labelled diagram, describe reflex arc.
If we happen to touch a hot object unknowingly, we immediately pull back our hand. What is this type of action known as?
A neuron which carries an impulse to the brain is called a ______ neuron.
What are the various sense organs in our body?
The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
The reflex arc which is made up of one sensory and one motor neuron is ______
