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प्रश्न
Explain the following term :
Autonomic nervous system
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.
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संबंधित प्रश्न
The insulating sheath covering the neural axon is called.
A mixed nerve is one which
Name the following:
The junction between two nerve cells.
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 |
Name the following:
Sympathetic and parasympathetic jointly forms.
Choose the correct answer.
Auditory nerve is responsible for ____________
Brain and spinal cord are the parts of ______ nervous system.
Write full form of the following abbreviation:
CNS
