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प्रश्न
Explain the following term :
Autonomic nervous system
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उत्तर
It is a part of the peripheral nervous system. It consists of a pair of chains of nerves and ganglia on either side of the backbone. It controls the involuntary actions of the internal organs.
संबंधित प्रश्न
Mention the exact location of the Islets of Langerhans
The insulating sheath covering the neural axon is called.
Name the following:
The junction between two nerve cells.
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
Why do you call the spinal cord and the brain as the central nervous system?
During a street fight between two individuals, mention the effects on the following organs by the autonomous nervous system, in the table given below : (one has been for you as an example).
| Organ | Sympathetic System | Parasympathetic System |
| e.g. Lungs | Dilates bronchi and bronchioles | Constricts bronchi and bronchioles |
| 1. Heart | ||
| 2. Pupil | ||
| 3. Salivary gland |
Given below are a few situations. What effective change will occur in the organ/body part mentioned and which part (sympathetic or parasympathetic) of the autonomic nervous system brings it about?
| Situation | Organ/body part | Change/action | Part of autonomic nervous system involved |
| 1. You have entered a dark room | Eye | ||
| 2. Your body is consuming lot of glucose while running a race | Liver | ||
| 3. You are chewing a tasty food | Salivary gland | ||
| 4. You are running a race | Adrenal gland | ||
| 5. You are retiring to bed for sleep | Heart | ||
| 6. You are shivering in intense cold | Body hairs |
Define the following:
Cyton
Write full form of the following abbreviation:
CNS
Write full form of the following abbreviation:
ANS
