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प्रश्न
The number of cranial and spinal nerves in a human being are respectively ______.
पर्याय
31, 12 pairs
32, 21 pairs
12, 31 pairs
31, 21 pairs
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उत्तर
The number of cranial and spinal nerves in a human being are respectively 12, 31 pairs.
Explanation:
A human being has 12 pairs of cranial nerves and 31 pairs of spinal nerves.
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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.
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
Explain the following term :
Autonomic nervous system
Write full form of the following abbreviation:
CNS
Write full form of the following abbreviation:
ANS
Distinguish between the following pair:
Sympathetic nervous system and parasympathatic nervous system (location and role)
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.
