Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Mention the exact location of the Islets of Langerhans
A mixed nerve is one which
what do we refer to in the nervous system when we say:
sensory, motor and mixed ………………..
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 |
Explain the following term :
Autonomic nervous system
Brain and spinal cord are the parts of ______ nervous system.
Name the following:
Two parts of the autonomic nervous system
Write full form of the following abbreviation:
ANS
Distinguish between the following pair:
Sympathetic nervous system and parasympathatic nervous system (location and role)
