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प्रश्न
Distinguish between the following pair:
Sympathetic nervous system and parasympathatic nervous system (location and role)
उत्तर
Sympathetic nervous system | Parasympathatic nervous system | |
Location | Sympathetic neurons cell bodies are found in the thoracic and lumbar spinal cord. | Parasympathetic neurons have cell bodies in the cranial nerves and sacral portion of the spinal cord. |
Role | The nervous system prepares the body for violent action against abnormal conditions. | The parasympathetic nervous system is more concerned with re-establishing normal conditions after the violent act. |
संबंधित प्रश्न
Mention the exact location of the Islets of Langerhans
Aqueous humour is present between the :
(A) Lens and Retina
(B) Iris and Lens
(C) Cornea and Iris
(D) Cornea and Lens
A mixed nerve is one which
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
Name the following:
Sympathetic and parasympathetic jointly forms.
Define the following:
Cyton
The number of cranial and spinal nerves in a human being are respectively ______.
Write full form of the following abbreviation:
PNS
While watching a scary movie, mention its effects on the following organs by the autonomous nervous system in the table given below: (one has been done 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 of the eye | ______ | ______ |
(3) | Salivary gland | ______ | ______ |
Two hungry boys (A and B) enter a restaurant and see the menu. Boy B starts salivating but not A. Explain the reason for this difference.