Advertisements
Advertisements
प्रश्न
What is the difference between reflex action and voluntary action?
Advertisements
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. |
संबंधित प्रश्न
With the help of a neat and labelled diagram, describe reflex arc.
Which of the following is not a natural reflex action?
A. Knee-jerk
B. Blinking of eyes due to strong light
C. Salivation at the sight of food
D. Sneezing when any irritant enters the nose
Which part of the eye contains cells which are sensitive to light?
State whether coughing is a voluntary action or reflex action.
Write the names of the regions in hindbrain. Give one function of each region.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
What is a reflex action?
State whether the following is
The sudden application of brakes without thinking
State whether the following is
Salivation when food is put in the mouth.
