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प्रश्न
Why do you call the spinal cord and the brain as the central nervous system?
Give reason:
The brain and the spinal cord are referred to as the central nervous system.
उत्तर
- The brain and the spinal cord lie in the skull and the vertebral column, respectively.
- They have an important role to play because they control all bodily activities.
- A stimulus from any body part is always carried to the brain or spinal cord for the correct response.
- A response to a stimulus is also generated in the central nervous system. Therefore, the brain and the spinal cord are called the central nervous system.
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संबंधित प्रश्न
A mixed nerve is one which
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
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| Organ | Sympathetic System | Parasympathetic System |
| e.g. Lungs | Dilates bronchi and bronchioles | Constricts bronchi and bronchioles |
| 1. Heart | ||
| 2. Pupil | ||
| 3. Salivary gland |
Name the following:
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Choose the correct answer.
Auditory nerve is responsible for ____________
The Centre for the sense of smell is ______
Name the following:
Two parts of the autonomic nervous system
Distinguish between the following pair:
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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 | ______ | ______ |
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